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Home  >  Outboard

Outboard Motor Parts | OEM & Aftermarket

Shop OEM and aftermarket outboard motor parts for Mercury, Yamaha, Suzuki, Honda, Johnson / Evinrude / E-TEC, Tohatsu / Nissan, and Chrysler / Force engines. Pro Marine USA carries parts for routine maintenance, troubleshooting, repair, and complete marine engine rebuilds.

Browse by outboard manufacturer or engine system, or use our OEM parts lookup to identify the correct part number before ordering. Find cooling, fuel, ignition, electrical, internal engine, lower unit, steering, trim, service kit, gasket, seal, and rebuild parts in one place.

 

Shop Outboard Parts by Manufacturer

Chrysler Force Outboard Chrysler / Force Outboard Parts for Chrysler and Force outboard repair Honda Outboard Parts Honda Outboard Honda cooling, fuel, electrical, and engine parts Johnson Evinrude E-tec Johnson / Evinrude / E-TEC Outboard Johnson, Evinrude, E-TEC, and OMC replacement parts Mercury Outboard Parts Mercury Outboard Mercury and Mariner maintenance, repair, and rebuild parts Suzuki Outboard Parts Suzuki Outboard Suzuki service, lower unit, fuel, and engine parts Tohatsu Nissan Outboard Tohatsu / Nissan Outboard Tohatsu and Nissan outboard replacement parts Yamaha Outboard Parts Yamaha Outboard Yamaha maintenance, repair, lower unit, and rebuild parts
 

Find the Correct Outboard Part

Not sure which part fits your engine? Start with the engine manufacturer, horsepower, model number, serial number, and year whenever available.

Our OEM parts lookup lets you view factory parts diagrams and identify the original part number for many popular outboard engines. Once you have the OEM number, search Pro Marine to find available OEM and aftermarket replacement options.

Use Our OEM Parts Lookup »
 

Shop Outboard Parts by Engine System

Outboard engines use several interconnected systems. Select your manufacturer above to browse the exact categories available for your engine, including the following common repair and maintenance areas.

Cooling System Water pump kits, impellers, thermostats, cooling components, pressure valves, and engine anodes.
Fuel and Carburetion Fuel pumps, carburetor kits, injectors, filters, VST components, hoses, and fuel system repair parts.
Electrical and Ignition Ignition coils, stators, switch boxes, rectifiers, sensors, starters, solenoids, and charging components.
Internal Engine Parts Pistons, rings, bearings, crankshafts, connecting rods, cylinder sleeves, gaskets, and engine rebuild components.
Lower Unit and Gearcase Seals, bearings, gears, driveshafts, prop shafts, bearing carriers, water pickup parts, and gearcase components.
Steering, Controls and Trim Hydraulic steering, control components, cables, trim and tilt parts, transom hardware, and related rigging components.
Maintenance and Service Oil change kits, service kits, spark plugs, filters, engine oil, gear lube, drain plug seals, and routine maintenance parts.
Gaskets, Seals and Rebuild Parts Powerhead gaskets, seal kits, bearings, pistons, rings, sleeves, and components for partial or complete engine rebuilds.
 

Common Outboard Problems and Where to Start

  • Engine overheating: inspect the water pump, impeller, thermostat, pressure-control components, cooling passages, and engine anodes.
  • Hard starting or rough idle: check fuel delivery, carburetor or injector operation, spark plugs, ignition components, filters, and intake sealing.
  • Weak spark or no spark: test ignition coils, stators, switch boxes or ignition modules, sensors, wiring, grounds, and related electrical components.
  • Low compression or poor power: inspect pistons, rings, cylinder condition, head and powerhead gaskets, bearings, and other internal engine components.
  • Milky gear lube: inspect prop shaft, driveshaft, shift shaft, bearing carrier, and other lower unit seals for water intrusion.
  • Lower unit or gearcase noise: inspect bearings, gears, clutch components, shafts, and gear lube condition before continued operation.
  • Trim or steering problems: inspect hydraulic fluid level, seals, hoses, trim motors, pumps, steering cylinders, and mechanical connections.
 

Why Buy Outboard Parts from Pro Marine USA?

  • OEM and aftermarket replacement options for major outboard engine brands.
  • Marine engine parts for routine maintenance, professional repair, and complete rebuild projects.
  • OEM diagram and part-number lookup tools to help identify the correct component before ordering.
  • Dealer pricing available for qualified marine repair businesses and dealers.
  • Large selection of service kits, engine parts, lower unit components, fuel system parts, electrical parts, steering, and rigging products.
  • Same-day weekday shipping available on qualifying in-stock orders placed before the shipping cutoff.
 

OEM and Aftermarket Outboard Parts

OEM parts are supplied by the original engine manufacturer and are designed for the specific engine application. Aftermarket parts are replacement components produced by independent marine parts manufacturers and may provide additional availability or value for many common repairs.

Pro Marine carries both genuine OEM parts and quality aftermarket replacement parts for many outboard maintenance, repair, and rebuild applications. Always confirm fitment using the engine model, serial number, horsepower, year range, or OEM part number when available.

 

Frequently Asked Questions

How do I find the correct parts for my outboard motor?

Start by identifying the engine manufacturer, horsepower, model number, serial number, and year. Select the manufacturer above to browse by engine system, or use the OEM parts lookup to locate the original part number from a factory diagram.

Can I search Pro Marine by OEM part number?

Yes. If you already have the OEM part number, enter it into the Pro Marine site search to locate available OEM and aftermarket replacement options. If you do not know the part number, use the OEM parts lookup first.

What information should I have before ordering an outboard part?

Have the engine manufacturer, horsepower, model number, serial number, and year whenever possible. An OEM part number from the original component or parts diagram is especially helpful because visually similar parts may fit different engine families.

What is the difference between OEM and aftermarket outboard parts?

OEM parts come from the original engine manufacturer. Aftermarket parts are replacement components manufactured by other marine parts companies for compatible applications. Pro Marine carries both OEM and aftermarket options across many common outboard engine systems.

Are aftermarket outboard motor parts reliable?

Quality aftermarket marine parts are commonly used for maintenance, professional repair, and engine rebuilding. The best option depends on the application, manufacturer, availability, and customer preference.

Do you carry parts for older outboard motors?

Yes. Pro Marine carries parts for many older Mercury, Mariner, Johnson, Evinrude, Chrysler, Force, Yamaha, Honda, Suzuki, Nissan, and Tohatsu outboards. Availability varies by engine family and component.

What outboard parts are commonly replaced during routine maintenance?

Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump impellers, complete water pump kits, thermostats, gear lube, drain plug seals, anodes, and manufacturer-specific service kit components.

 

Fitment Tip: Outboard parts can vary by model, serial range, horsepower, and production year. Confirm the OEM part number or engine identification information whenever possible before ordering.

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Mercury 40-60HP EFI 100 Hour Kit Serial 1C000001-Present

Mercury 40-60HP Service Kit With 10W30 Oil & Gear Lube

OEM Mercury 40-60HP EFI 100 Hour Service Kit With Oil

Mercury 40-60HP EFI 100 Hour Kit Serial 1C000001-Present

The Mercury 8M0232733-L 100 Hour Service Kit is a convenient maintenance package for Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher.

This kit includes the routine 100 hour service components along with Mercury 10W30 engine oil and gear lube, making it a complete option for scheduled maintenance.

Compatible Applications

Brand Horsepower Engine Type Serial Range
Mercury 40HP FourStroke EFI Outboard 1C000001 & Higher
Mercury 50HP FourStroke EFI Outboard 1C000001 & Higher
Mercury 60HP FourStroke EFI Outboard 1C000001 & Higher
Important Fitment Note:

This Mercury 100 hour service kit fits Mercury 40-60HP FourStroke EFI outboards with serial numbers 1C000001 and higher.

Always verify your engine serial number before ordering maintenance parts.

What is Included

Included Component Application
Oil Filter Engine oil filtration service
Low-Pressure Fuel Filter Fuel system maintenance
High-Pressure Fuel Filter Fuel system maintenance
Oil Drain Seal Oil drain plug service
Gearcase Seals Gear lube drain and vent screw service
Mercury 10W30 Engine Oil Engine oil service
Mercury Gear Lube Gearcase lubricant service

Oil & Gear Lube Included

Included Lubricants:

This kit includes Mercury 10W30 engine oil and gear lube for the 100 hour service.

Mercury 40-60HP FourStroke EFI engines use approximately 4 quarts of engine oil, or 1 gallon. The gearcase uses approximately 1 quart of gear lube.

Prefer to Choose a Different Oil?

Some customers prefer to choose a different Mercury oil type, such as Mercury 25W40, 10W30 Synthetic Blend, 25W40 Synthetic Blend, or 10W30 Full Synthetic.

If you want to select your own oil and gear lube separately, order the standard 100 hour service kit below.

Order 8M0232733 - Oil and Gear Lube Sold Separately

Optional Oil Choices

Oil Type Product Quantity Required
Mercury 10W30 Mercury 10W30 Engine Oil - Quart 4 quarts
Mercury 10W30 Mercury 10W30 Engine Oil - Gallon 1 gallon
Mercury 10W30 Synthetic Blend Mercury 10W30 Synthetic Blend - Quart 4 quarts
Mercury 10W30 Synthetic Blend Mercury 10W30 Synthetic Blend - Gallon 1 gallon
Mercury 10W30 Full Synthetic Mercury 10W30 Full Synthetic - Gallon 1 gallon
Mercury 25W40 Mercury 25W40 Engine Oil - Quart 4 quarts
Mercury 25W40 Synthetic Blend Mercury 25W40 Synthetic Blend - Quart 4 quarts
Mercury 25W40 Synthetic Blend Mercury 25W40 Synthetic Blend - Gallon 1 gallon

Complete Your Service

300 Hour BigFoot Kit

300 Hour Kit - BigFoot / Command Thrust

Mercury 300 hour service kit for compatible BigFoot and Command Thrust gearcase models. Oil and gear lube sold separately.

View Product
300 Hour BigFoot Kit With Oil

300 Hour Kit With Oil - BigFoot / Command Thrust

Mercury 300 hour service kit with oil and gear lube for compatible BigFoot and Command Thrust models.

View Product
300 Hour Standard Kit

300 Hour Kit - Standard Gearcase

Mercury 300 hour service kit for compatible standard gearcase models. Oil and gear lube sold separately.

View Product
300 Hour Standard Kit With Oil

300 Hour Kit With Oil - Standard Gearcase

Mercury 300 hour service kit with 10W30 oil and gear lube for compatible standard gearcase models.

View Product
40-60HP Anode Kit

Mercury Aluminum Anode Kit

Aluminum anode kit for compatible Mercury 40-60HP FourStroke EFI outboards. Helps protect against galvanic corrosion.

View Product

What This Service Kit is Used For

The Mercury 8M0232733-L service kit is used for routine 100 hour maintenance on compatible Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher.

Routine maintenance helps support fuel system cleanliness, oil filtration, gearcase service, and long-term outboard reliability.

Key Features and Benefits

  • OEM Mercury 100 hour service kit
  • Fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards
  • For serial numbers 1C000001 and higher
  • Includes Mercury 10W30 engine oil
  • Includes gear lube for gearcase service
  • Includes oil filter, low-pressure fuel filter, and high-pressure fuel filter
  • Includes oil drain seal and gearcase seals
  • Standard 8M0232733 kit available for customers who prefer other oils
  • Pairs with 300 hour service kits and aluminum anode kit

Service Kit Details

  • Part Number: 8M0232733-L
  • Base Kit: 8M0232733
  • Application: Mercury 40-60HP FourStroke EFI Outboards
  • Serial Range: 1C000001 & Higher
  • Service Interval: 100 Hour Maintenance
  • Oil Included: Mercury 10W30 Engine Oil
  • Gear Lube Included: Yes
  • Engine Oil Capacity: Approximately 4 quarts / 1 gallon
  • Gear Lube Capacity: Approximately 1 quart

FAQ

What engines does this service kit fit?
This kit fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher.

Does this kit include oil and gear lube?
Yes. This kit includes Mercury 10W30 engine oil and gear lube.

What if I prefer a different oil?
Some customers prefer to choose their own oil. In that case, order the standard 8M0232733 kit and select your preferred Mercury oil separately.

How much oil does this engine use?
This engine uses approximately 4 quarts, or 1 gallon, of engine oil.

How much gear lube is required?
This application uses approximately 1 quart of gear lube.

Which 300 hour kit should I choose?
Choose the correct 300 hour kit based on your gearcase type: BigFoot / Command Thrust or standard gearcase.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Maintenance kits must be new, unused, and in original packaging.
  • Opened oil and lubricants may not be returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0232733-L, 8M0232733, Mercury 40HP EFI service kit with oil, Mercury 50HP EFI service kit with oil, Mercury 60HP EFI service kit with oil, Mercury 40-60HP FourStroke EFI service kit, Mercury 40-60HP 100 hour kit with 10W30, Mercury 40HP 100 hour service kit, Mercury 50HP 100 hour service kit, Mercury 60HP 100 hour service kit, Mercury serial 1C000001 service kit, Mercury 1C000001 and higher maintenance kit, Mercury 40-60HP oil filter kit, Mercury fuel filter service kit, Mercury 10W30 oil service kit, Mercury gear lube service kit, 8M0090559, 8M0090559-L, 8M0113483, 8M0113483-L, 8M0107547, Mercury BigFoot 300 hour kit, Mercury Command Thrust 300 hour kit, Mercury standard gearcase 300 hour kit

Item#:
8M0232733-L
Cross Reference#:
8M0090558
8M0232733
Manufacturer Item:
8M0232733
Manufacturer:
Mercury Marine
Available:
In Stock
135.9700
Your Price:
131.89
Each

Mercury Mariner 150HP FourStroke 10W30

Quicksilver Oil Change Kit with Oil Filter & Drain Hose

Quicksilver 10W30 Oil Change Kit

Mercury & Mariner 150HP FourStroke Oil Change Kit

This Quicksilver oil change kit contains the routine maintenance components needed to service compatible Mercury and Mariner 150HP FourStroke outboards.

The kit includes six liters of Quicksilver SAE 10W30 4-stroke marine engine oil, premium oil filter, oil drain hose, and service instructions to help simplify routine engine oil maintenance.

Compatible Applications

Brand Horsepower Engine Type Application Notes
Mercury 150HP FourStroke Select compatible models
Mariner 150HP FourStroke Select compatible models
Fitment Note: This oil change kit is intended for compatible Mercury and Mariner 150HP FourStroke outboards. Always verify engine model and serial number before ordering.

What is Included

Qty Included Part Part Number
1 Premium Oil Filter Included
6 Quicksilver SAE 10W30 4-Stroke Marine Engine Oil Included
1 Oil Drain Hose Included
1 Oil Change Instructions Included
Prefer Mercury Synthetic Blend Oil?

We also stock the OEM Mercury 10W30 Synthetic Blend oil change kit for Mercury and Mariner 150HP FourStroke outboards.

View Mercury 10W30 Synthetic Blend Oil Change Kit

What This Kit is Used For

This Quicksilver oil change kit provides the routine maintenance parts needed to perform an engine oil and oil filter service on compatible Mercury and Mariner 150HP FourStroke outboards.

Quicksilver marine engine oil is formulated specifically for marine applications and includes corrosion protection additives designed to help protect internal engine components during operation and storage.

The oil formulation is designed to maintain lubricity and viscosity retention during high-temperature operation and demanding RPM ranges common in marine environments.

Some customers prefer OEM Mercury maintenance kits while others prefer Quicksilver service kits depending on maintenance preferences and budget.

Key Features and Benefits

  • Quicksilver oil change kit for Mercury and Mariner 150HP FourStroke outboards
  • Includes six liters of SAE 10W30 4-stroke marine engine oil
  • Includes premium oil filter
  • Includes oil drain hose and service instructions
  • Designed for routine oil and filter maintenance
  • Marine-specific additive package with corrosion protection
  • Supports proper lubrication during high-temperature operation
  • Convenient all-in-one maintenance kit

Oil Kit Details

  • Kit Part Number: 8M0107513
  • Engine Compatibility: Mercury & Mariner 150HP FourStroke
  • Oil Type: Quicksilver SAE 10W30 4-Stroke Marine Engine Oil
  • Oil Quantity: 6 Liters
  • Included Components: Oil filter, engine oil, oil drain hose, and instructions
  • Service Type: Routine engine oil and oil filter maintenance

FAQ

What engines does this oil change kit fit?
This kit fits compatible Mercury and Mariner 150HP FourStroke outboards.

Is this the synthetic blend version?
No. This Quicksilver oil change kit includes standard SAE 10W30 marine engine oil. If you prefer the Mercury synthetic blend version, see the linked OEM Mercury kit above.

How much oil is included in this kit?
This kit includes six liters of Quicksilver SAE 10W30 4-stroke marine engine oil.

Does this kit include a drain hose?
Yes. This kit includes an oil drain hose to help make routine oil service cleaner and easier.

Can I perform this oil change service myself?
Yes. Many boat owners perform routine oil and filter maintenance themselves using basic hand tools and the proper service parts. Always follow your engine manufacturer’s service procedures and verify proper oil capacity before operation.

If you do not feel comfortable performing maintenance yourself, a Mercury-certified marine technician can typically complete this service quickly and help verify your engine is operating properly.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 (continental U.S.).
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Items must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0107513, Mercury 150HP oil change kit, Mariner 150HP oil change kit, Quicksilver 10W30 oil kit, Mercury FourStroke oil kit, Mercury 10W30 maintenance kit, Mercury oil drain hose kit

Item#:
8M0107513
Cross Reference#:
8M0107512
8M0107513
8M0188357
Manufacturer Item:
8M0107513
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
121.99
Each

Mercury V10 5.7L 350HP-425HP 6.44 Gearcase 300 Hour Service Kit With Oil

OEM Mercury 300 Hour Maintenance Kit With 25W50 Oil - Gear Lube Not Include

OEM Mercury 300 Hour Service Kit With Oil

Mercury 5.7L V10 350HP-425HP Verado 300 Hour Maintenance Kit

This OEM Mercury 300 hour service kit with oil is designed for Mercury 5.7L V10 350HP-425HP Verado outboards equipped with the 6.44 gearcase. It includes the major scheduled maintenance components along with Mercury 25W50 engine oil for complete engine oil service.

Important: This kit includes engine oil, but it does not include gear lube. Mercury V10 standard rotation and counter rotation gearcases require different gear lube quantities, so gear lube should be selected separately below.

Compatible Applications

Engine Platform Horsepower Range Displacement Application Notes
Mercury Verado V10 350HP-425HP 5.7L FourStroke Models equipped with the Mercury 6.44 gearcase only
Important Fitment & Gear Lube Note:

This service kit is specifically for Mercury 5.7L V10 Verado models equipped with the 6.44 gearcase.

This kit includes Mercury 25W50 engine oil, but it does not include gear lube.

Standard rotation Mercury V10 gearcases use approximately 1 quart of gear lube.

Counter rotation Mercury V10 gearcases use approximately 2.3 quarts, so customers should order 3 quarts for proper service.
Prefer to Choose Oil Separately?

If you do not want the version with included Mercury 25W50 engine oil, use the no-oil version and select your oil separately.

View Mercury V10 300 Hour Service Kit Without Oil

What is Included

Included Component Application
OEM Mercury 300 hour maintenance components Scheduled Mercury V10 service interval
OEM Mercury oil filter Engine oil filtration service
OEM Mercury fuel filter components Fuel system maintenance
OEM Mercury spark plugs Ignition system maintenance
OEM Mercury thermostat and cooling system components Cooling system maintenance
OEM Mercury water pump repair components Water pump service
OEM Mercury seals and maintenance hardware Routine scheduled maintenance replacement items
Mercury 25W50 engine oil Engine lubrication service

Gear Lube Options - Sold Separately

Gear Lube Product Quantity Required
Premium 80W90 Gear Lube Mercury Premium 80W90 Gear Lube Standard rotation: 1 quart
Counter rotation: 3 quarts
Extreme Performance 85W90 Gear Lube Mercury Extreme Performance Gear Lube Standard rotation: 1 quart
Counter rotation: 3 quarts

Complete Your Service

Mercury V10 300 Hour Service Kit Without Oil

300 Hour Service Kit Without Oil

OEM Mercury 300 hour maintenance kit without engine oil or gear lube for Mercury 5.7L V10 350HP-425HP Verado outboards with the 6.44 gearcase.

View Product
Mercury V10 Anode Kit

Mercury V10 Anode Kit

OEM Mercury anode kit for Mercury 5.7L V10 350HP-425HP Verado outboards. Helps protect against galvanic corrosion in freshwater and saltwater use.

View Product

What This Service Kit is Used For

This OEM Mercury 300 hour service kit with oil is used for major scheduled maintenance on compatible Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.

The included Mercury 25W50 engine oil helps simplify scheduled maintenance while the OEM Mercury service components support proper cooling system, fuel system, ignition, and water pump service.

Because standard rotation and counter rotation gearcases use different amounts of gear lube, this kit does not include gear lube. Customers should choose the proper lubricant and quantity separately.

Customers performing 300 hour service should also inspect anodes, lower unit lubricant condition, and additional wear items depending on operating conditions and service history.

Key Features and Benefits

  • OEM Mercury 300 hour maintenance kit with engine oil
  • Fits Mercury 5.7L V10 350HP-425HP Verado models with the 6.44 gearcase
  • Includes Mercury 25W50 engine oil
  • Designed for scheduled 300 hour service
  • Does not include gear lube
  • Allows customers to select the proper gear lube quantity separately
  • Includes major cooling system and water pump service components
  • Supports long-term engine reliability and performance

Service Kit Details

  • Kit Part Number: 8M0207808-L
  • Brand: Mercury Marine
  • Application: Mercury 5.7L V10 Verado Outboards
  • Horsepower Range: 350HP-425HP
  • Gearcase Requirement: Mercury 6.44 Gearcase Only
  • Service Interval: 300 Hour Maintenance
  • Engine Oil Included: Yes - Mercury 25W50
  • Gear Lube Included: No
  • Standard Rotation Gear Lube Required: Approximately 1 quart
  • Counter Rotation Gear Lube Required: Approximately 2.3 quarts - order 3 quarts

FAQ

What engines does this 300 hour service kit fit?
This kit fits Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.

Does this kit include engine oil?
Yes. This version includes Mercury 25W50 engine oil.

Does this kit include gear lube?
No. Gear lube is not included because standard rotation and counter rotation gearcases use different amounts.

How much gear lube should I order?
Standard rotation gearcases use approximately 1 quart. Counter rotation gearcases use approximately 2.3 quarts, so order 3 quarts for counter rotation service.

Why is the 6.44 gearcase important?
Mercury used different gearcase configurations on V10 Verado models, so this kit is specifically intended for engines equipped with the 6.44 gearcase.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Maintenance kits and lubricants must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0207808-L, Mercury V10 300 hour service kit with oil, Mercury 5.7L V10 service kit, Mercury Verado V10 maintenance kit, Mercury 350HP service kit, Mercury 400HP service kit, Mercury 425HP service kit, Mercury 6.44 gearcase service kit, Mercury V10 kit with oil, Mercury 25W50 oil, Mercury V10 gear lube not included, Mercury Premium 80W90 gear lube, Mercury Extreme Performance gear lube, Mercury V10 anode kit, Mercury Verado maintenance parts

Item#:
8M0207808-L
Cross Reference#:
8M0207808
Manufacturer Item:
8M0207808
Manufacturer:
Mercury Marine
Available:
Out of Stock
844.4500
Your Price:
819.12
Each

Mercury 300 Hour Verado AMS Service Kit with Oil & Gear Lube

OEM 8M0149932-L Kit for 4.6L V8 Verado & Verado SeaPro

OEM Mercury 300-Hour Verado Service Kit with Oil & Gear Lube

Mercury 8M0149932-L Service Kit for 4.6L V8 Verado & Verado SeaPro Outboards

The Mercury 8M0149932-L 300-Hour Service Kit is designed for Mercury 4.6L V8 Verado and Verado SeaPro outboards using the AMS (Advanced MidSection).

This complete OEM Mercury maintenance package includes the major 300-hour service components along with Mercury 10W30 engine oil and Mercury gear lube.

Compatible Applications

Engine Family Engine Size Midsection Application Notes
Mercury Verado 4.6L V8 FourStroke AMS / Advanced MidSection Fits compatible Mercury Verado AMS outboards
Mercury Verado SeaPro 4.6L V8 FourStroke AMS / Advanced MidSection Fits compatible Mercury Verado SeaPro AMS outboards
Fitment Note: This kit is specifically for Mercury 4.6L V8 Verado and Verado SeaPro AMS 4-stroke outboards.

AMS stands for Advanced MidSection. Always verify your exact engine model and serial number before ordering.

What is Included

  • OEM Mercury oil filter
  • OEM Mercury fuel filter
  • Oil drain seal
  • Spark plugs
  • Thermostat
  • Alternator belt
  • Anodes
  • Water pump repair kit
  • Mercury 10W30 engine oil
  • Mercury gear lube

OEM Part Numbers & Cross References

Brand / Type Part Number
Mercury OEM 8M0149932-L
Related Kit Without Oil 8M0149932
Application 300-Hour Verado AMS Service Kit with Oil & Gear Lube

Prefer a Different Oil Weight?

This version includes Mercury 10W30 engine oil and Mercury gear lube.

Some customers prefer ordering their service kit without oil so they can choose a different Mercury oil weight or oil type.

If you would rather choose your own oil separately, see:

Mercury 8M0149932 300-Hour Verado AMS Service Kit Without Oil

Related AMS Anode Kit

Mercury Verado AMS and Verado SeaPro AMS outboards use a different anode configuration than CMS models.

For replacement AMS aluminum anodes, see:

Mercury 8M0205955 Aluminum Anode Kit

What This Service Kit is Used For

This Mercury 300-hour maintenance kit is designed for scheduled service on compatible Mercury Verado and Verado SeaPro AMS outboards.

Regular maintenance helps support long-term reliability, proper cooling, fuel system performance, and corrosion protection.

Mercury packages the required 300-hour service components together to simplify maintenance and reduce the need to source parts individually.

Key Features and Benefits

  • Genuine OEM Mercury 300-hour maintenance kit
  • Fits Mercury 4.6L V8 Verado and Verado SeaPro AMS outboards
  • Includes oil filter, fuel filter, and oil drain seal
  • Includes spark plugs, thermostat, alternator belt, and water pump repair kit
  • Includes AMS anodes
  • Includes Mercury 10W30 engine oil and gear lube
  • Convenient all-in-one maintenance package
  • Produced to Mercury OEM specifications

Service Kit Details

  • Brand: Mercury / Quicksilver
  • Part Number: 8M0149932-L
  • Part Type: 300-Hour Service Kit with Oil & Gear Lube
  • Application: Mercury 4.6L V8 Verado & Verado SeaPro AMS Outboards
  • Midsection: AMS / Advanced MidSection
  • Includes Oil: Yes
  • Includes Gear Lube: Yes
  • Quantity Sold: Kit

FAQ

What engines does Mercury 8M0149932-L fit?
This kit fits Mercury 4.6L V8 Verado and Verado SeaPro AMS outboards.

Does this kit include engine oil?
Yes. This version includes Mercury 10W30 engine oil.

Does this kit include gear lube?
Yes. Mercury gear lube is included.

What parts are included in this 300-hour service kit?
The kit includes an oil filter, fuel filter, oil drain seal, spark plugs, thermostat, alternator belt, water pump repair kit, AMS anodes, engine oil, and gear lube.

What is AMS?
AMS stands for Advanced MidSection and is used on Mercury Verado and certain Mercury Racing applications.

Which anode kit goes with this engine?
This AMS application uses Mercury aluminum anode kit 8M0205955.

Is there a version without oil?
Yes. Mercury 8M0149932 includes the same 300-hour maintenance parts without engine oil and gear lube.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Service kits should be verified for correct fitment before installation.
  • Items must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0149932-L, Mercury Verado 300 hour service kit, Mercury AMS service kit, Mercury Verado SeaPro service kit, Mercury 4.6L V8 maintenance kit, Mercury Verado maintenance kit, Mercury AMS maintenance kit, Mercury spark plug service kit, Mercury thermostat service kit, Mercury water pump repair kit, Mercury alternator belt kit, Mercury anode service kit, Mercury 10W30 oil kit, Mercury gear lube kit, 8M0149932, 8M0205955

Item#:
8M0149932-L
Cross Reference#:
8M0149932
Manufacturer Item:
8M0149932
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
698.44
Each

Mercury V10 5.7L 350HP-425HP 6.44 Gear Case 300 Hour Service Kit

OEM Mercury 300 Hour Maintenance Kit Without Engine Oil or Gear Lube

OEM Mercury 300 Hour Service Kit

Mercury 5.7L V10 350HP-425HP Verado 300 Hour Maintenance Kit

This OEM Mercury 300 hour service kit is designed for Mercury 5.7L V10 350HP-425HP Verado outboards equipped with the 6.44 gearcase. It includes the major scheduled maintenance components needed for 300 hour service.

This version does not include engine oil or gear lube, making it a good option for customers who want to choose their Mercury 25W50 oil and gear lube separately.

Compatible Applications

Engine Platform Horsepower Range Displacement Application Notes
Mercury Verado V10 350HP-425HP 5.7L FourStroke Models equipped with the Mercury 6.44 gearcase only
Important Fitment Note:

This service kit is specifically for Mercury 5.7L V10 Verado models equipped with the 6.44 gearcase.

Always verify your gearcase configuration before ordering maintenance components.
Want the 300 Hour Kit With Oil Included?

This 300 hour kit does not include engine oil or gear lube. If you prefer the version with Mercury 25W50 engine oil included, use this option:

View Mercury V10 300 Hour Service Kit With Oil

What is Included

Included Component Application
OEM Mercury 300 hour maintenance components Scheduled Mercury V10 service interval
OEM Mercury oil filter Engine oil filtration service
OEM Mercury fuel filter components Fuel system maintenance
OEM Mercury spark plugs Ignition system maintenance
OEM Mercury thermostat and cooling system components Cooling system maintenance
OEM Mercury water pump repair components Water pump service
OEM Mercury seals and maintenance hardware Routine scheduled maintenance replacement items

Additional Mercury 25W50 Oil Options

Oil Type Product Quantity Required
Mercury 25W50 Quart Mercury 25W50 Engine Oil - 1 Quart 10 Quarts
Mercury 25W50 Gallon + Quart Combination Mercury Verado 25W50 Engine Oil - 1 Gallon
Mercury 25W50 Engine Oil - 1 Quart 		2 Gallons + 2 Quarts

Recommended Gear Lube Options

Gear Lube Product Quantity Required
Premium 80W90 Gear Lube Mercury Premium 80W90 Gear Lube Standard rotation: 1 quart
Counter rotation: 3 quarts
Extreme Performance 85W90 Gear Lube Mercury Extreme Performance Gear Lube Standard rotation: 1 quart
Counter rotation: 3 quarts
Gear Lube Quantity Note:

Standard rotation Mercury V10 gearcases use approximately 1 quart of gear lube.

Counter rotation Mercury V10 gearcases use approximately 2.3 quarts, so customers should order 3 quarts for proper service.

Complete Your Service

Mercury V10 300 Hour Service Kit With Oil

300 Hour Service Kit With Oil

Complete OEM Mercury 300 hour maintenance kit with Mercury 25W50 engine oil for Mercury 5.7L V10 350HP-425HP Verado outboards with the 6.44 gearcase.

View Product
Mercury V10 Anode Kit

Mercury V10 Anode Kit

OEM Mercury anode kit for Mercury 5.7L V10 350HP-425HP Verado outboards. Helps protect against galvanic corrosion in freshwater and saltwater use.

View Product

What This Service Kit is Used For

This OEM Mercury 300 hour service kit is used for major scheduled maintenance on compatible Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.

Routine 300 hour maintenance helps support long-term engine reliability, cooling system performance, fuel system operation, and proper water pump function.

This version is intended for customers who prefer to select their own Mercury 25W50 engine oil and gear lube separately.

Customers performing 300 hour service should also inspect anodes, lower unit lubricant condition, and additional wear items depending on engine hours and operating conditions.

Key Features and Benefits

  • OEM Mercury 300 hour maintenance kit
  • Fits Mercury 5.7L V10 350HP-425HP Verado models with the 6.44 gearcase
  • Designed for scheduled 300 hour service
  • Does not include engine oil or gear lube
  • Allows customers to choose preferred Mercury lubricants separately
  • Includes major maintenance service components
  • Supports cooling system and water pump maintenance
  • Pairs with Mercury V10 anode maintenance components

Service Kit Details

  • Kit Part Number: 8M0207808
  • Brand: Mercury Marine
  • Application: Mercury 5.7L V10 Verado Outboards
  • Horsepower Range: 350HP-425HP
  • Gearcase Requirement: Mercury 6.44 Gearcase Only
  • Service Interval: 300 Hour Maintenance
  • Engine Oil Included: No
  • Gear Lube Included: No
  • Oil Quantity Required: 2 gallons + 2 quarts, or 10 quarts
  • Standard Rotation Gear Lube Required: Approximately 1 quart
  • Counter Rotation Gear Lube Required: Approximately 2.3 quarts - order 3 quarts

FAQ

What engines does this 300 hour service kit fit?
This kit fits Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.

Does this kit include engine oil?
No. Mercury 25W50 engine oil is sold separately and linked above.

Does this kit include gear lube?
No. Gear lube is sold separately because standard rotation and counter rotation gearcases use different amounts.

How much gear lube should I order?
Standard rotation gearcases use approximately 1 quart. Counter rotation gearcases use approximately 2.3 quarts, so order 3 quarts for counter rotation service.

Is there a version with oil included?
Yes. The Mercury 8M0207808-L version includes Mercury 25W50 engine oil and is linked above.

Why is the 6.44 gearcase important?
Mercury used different gearcase configurations on V10 Verado models, so this kit is specifically intended for engines equipped with the 6.44 gearcase.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Maintenance kits must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0207808, Mercury V10 300 hour service kit, Mercury 5.7L V10 service kit, Mercury Verado V10 maintenance kit, Mercury 350HP service kit, Mercury 400HP service kit, Mercury 425HP service kit, Mercury 6.44 gearcase service kit, Mercury V10 kit without oil, Mercury 25W50 oil, Mercury Premium 80W90 gear lube, Mercury Extreme Performance gear lube, Mercury V10 anode kit, Mercury Verado maintenance parts

Item#:
8M0207808
Cross Reference#:
8M0207808
Manufacturer Item:
8M0207808
Manufacturer:
Mercury Marine
Available:
Out of Stock
ETA:
10/23/2026
Your Price:
624.49
Each

Mercury V10 5.7L 350HP-425HP 100 Hour Service Kit

OEM Mercury 100 Hour Maintenance Kit Without Engine Oil or Gear Lube

OEM Mercury 100 Hour Service Kit

Mercury 5.7L V10 350HP-425HP Verado 100 Hour Maintenance Kit

This OEM Mercury 100 hour service kit is designed for Mercury 5.7L V10 350HP-425HP Verado outboards. It includes the routine maintenance components needed for scheduled 100 hour service.

This version does not include engine oil or gear lube, making it a good option for customers who want to choose their preferred Mercury 25W50 oil and gear lube separately.

Compatible Applications

Engine Platform Horsepower Range Displacement Application Notes
Mercury Verado V10 350HP-425HP 5.7L FourStroke All Mercury 5.7L V10 Verado outboards
Want the Kit With Oil Included?

This 100 hour kit does not include engine oil or gear lube. If you prefer a complete 100 hour kit with Mercury 25W50 engine oil included, use this version:

View Mercury V10 100 Hour Service Kit With Oil

What is Included

Included Component Application
OEM Mercury oil filter Engine oil filtration service
OEM Mercury fuel filter components Fuel system maintenance
OEM Mercury drain seals and service components Routine maintenance replacement items
100 hour maintenance parts Scheduled Mercury V10 service interval

Additional Mercury 25W50 Oil Options

Oil Type Product Quantity Required
Mercury 25W50 Quart Mercury 25W50 Engine Oil - 1 Quart 10 Quarts
Mercury 25W50 Gallon + Quart Combination Mercury Verado 25W50 Engine Oil - 1 Gallon
Mercury 25W50 Engine Oil - 1 Quart 		2 Gallons + 2 Quarts

Recommended Gear Lube Options

Gear Lube Product Quantity Required
Premium 80W90 Gear Lube Mercury Premium 80W90 Gear Lube Standard rotation: 1 quart
Counter rotation: 3 quarts
Extreme Performance 85W90 Gear Lube Mercury Extreme Performance Gear Lube Standard rotation: 1 quart
Counter rotation: 3 quarts
Gear Lube Quantity Note: Standard rotation Mercury V10 gearcases use approximately 1 quart of gear lube.

Counter rotation Mercury V10 gearcases use approximately 2.3 quarts, so customers should order 3 quarts for proper service.

Complete Your Service

Mercury V10 300 Hour Service Kit Without Oil

300 Hour Service Kit Without Oil

OEM Mercury 300 hour service kit for Mercury 5.7L V10 350HP-425HP outboards without engine oil or gear lube.

View Product
Mercury V10 300 Hour Service Kit With Oil

300 Hour Service Kit With Oil

Complete OEM Mercury 300 hour service kit with oil for Mercury 5.7L V10 350HP-425HP Verado engines.

View Product
Mercury V10 Anode Kit 8M0207809

Mercury V10 Anode Kit

OEM Mercury anode kit for Mercury 5.7L V10 350HP-425HP Verado outboards.

View Product

What This Service Kit is Used For

This OEM Mercury 100 hour service kit is used for scheduled maintenance on compatible Mercury 5.7L V10 Verado 350HP-425HP outboards.

Routine 100 hour maintenance helps support engine reliability, fuel system cleanliness, lubrication performance, and long-term outboard durability.

This no-oil version is ideal for customers who want the OEM Mercury service components but prefer to choose their engine oil and gear lube separately.

Customers performing service should also inspect gear lube, anodes, filters, and any 300-hour maintenance items depending on hours and service history.

Key Features and Benefits

  • OEM Mercury 100 hour maintenance kit
  • Fits Mercury 5.7L V10 350HP-425HP Verado outboards
  • Designed for scheduled 100 hour service
  • Does not include engine oil or gear lube
  • Allows customers to choose preferred Mercury 25W50 oil separately
  • Gear lube options available separately for lower unit service
  • Pairs with Mercury V10 300-hour and anode maintenance kits
  • Helps support long-term engine reliability and performance

Service Kit Details

  • Kit Part Number: 8M0207807
  • Brand: Mercury Marine
  • Application: Mercury 5.7L V10 Verado Outboards
  • Horsepower Range: 350HP-425HP
  • Service Interval: 100 Hour Maintenance
  • Engine Oil Included: No
  • Gear Lube Included: No
  • Oil Quantity Required: 2 gallons + 2 quarts, or 10 quarts
  • Related Maintenance: 300-hour service and anode replacement

FAQ

What engines does this 100 hour service kit fit?
This kit fits Mercury 5.7L V10 Verado 350HP-425HP outboards.

Does this kit include engine oil?
No. This version does not include engine oil. Mercury 25W50 oil options are listed above.

Does this kit include gear lube?
No. Gear lube is sold separately. Premium 80W90 and Extreme Performance 85W90 options are listed above.

How much engine oil is needed?
Mercury V10 oil service requires 2 gallons plus 2 quarts of 25W50 oil, or 10 total quarts.

Is there a 100 hour kit with oil included?
Yes. The linked 8M0207807-L version includes oil for customers who want a more complete kit.

How much gear lube does the V10 gearcase use?
Standard rotation gearcases use approximately 1 quart. Counter rotation gearcases use approximately 2.3 quarts, so order 3 quarts for counter rotation service.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Maintenance kits must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0207807, Mercury V10 100 hour service kit, Mercury 5.7L V10 service kit, Mercury Verado V10 maintenance kit, Mercury 350HP service kit, Mercury 400HP service kit, Mercury 425HP service kit, Mercury V10 kit without oil, Mercury 25W50 oil, Mercury V10 gear lube, Mercury Premium 80W90 gear lube, Mercury Extreme Performance gear lube, Mercury V10 300 hour kit, Mercury V10 anode kit, Mercury Verado maintenance parts

Item#:
8M0207807
Cross Reference#:
8M0207807
Manufacturer Item:
8M0207807
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
66.99
Each

Mercury 40-60HP 300 Hour Kit Standard Gearcase

Serial 1C000001-Present Oil and Gear Lube Sold Separately

OEM Mercury 40-60HP 300 Hour Service Kit

Mercury 40-60HP 300 Hour Kit Standard Gearcase

The Mercury 8M0113483 300 Hour Service Kit is designed for compatible Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with standard gearcases.

This 300 hour maintenance kit includes the routine service components commonly replaced during scheduled maintenance. Oil and gear lube are sold separately.

Compatible Applications

Brand Horsepower Engine Type Gearcase Type Serial Range
Mercury 40HP FourStroke EFI Outboard Standard Gearcase 1C000001 & Higher
Mercury 50HP FourStroke EFI Outboard Standard Gearcase 1C000001 & Higher
Mercury 60HP FourStroke EFI Outboard Standard Gearcase 1C000001 & Higher
Important Fitment Note:

This Mercury 300 hour service kit fits Mercury 40-60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with standard gearcases only.

If your engine has a BigFoot or Command Thrust gearcase, use the BigFoot / Command Thrust kits linked below instead.

What is Included

Included Component Application
Oil Filter Engine oil filtration service
Fuel Filters Fuel system maintenance
Spark Plugs Ignition system maintenance
Water Pump Components Cooling system service
Thermostat Components Cooling system maintenance
Drain & Vent Seals Gearcase service

Prefer to Buy the Kit with 10W30 Oil & Gear Lube?

300 Hour Standard Kit With Oil

Mercury 300 Hour Kit With 10W30 Oil & Gear Lube

Prefer a complete maintenance package? Order the Mercury 8M0113483-L 300 Hour Service Kit with Mercury 10W30 engine oil and gear lube included.

View Complete Kit

Oil Capacity & Recommended Oil Options

Engine Oil Quantity:

Mercury 40-60HP FourStroke EFI engines use approximately 4 quarts of engine oil, or 1 gallon.
Oil Type Product Quantity Required
Mercury 10W30 Mercury 10W30 Engine Oil - Quart 4 quarts
Mercury 10W30 Mercury 10W30 Engine Oil - Gallon 1 gallon
Mercury 10W30 Synthetic Blend Mercury 10W30 Synthetic Blend - Quart 4 quarts
Mercury 10W30 Synthetic Blend Mercury 10W30 Synthetic Blend - Gallon 1 gallon
Mercury 10W30 Full Synthetic Mercury 10W30 Full Synthetic - Gallon 1 gallon
Mercury 25W40 Mercury 25W40 Engine Oil - Quart 4 quarts
Mercury 25W40 Synthetic Blend Mercury 25W40 Synthetic Blend - Quart 4 quarts
Mercury 25W40 Synthetic Blend Mercury 25W40 Synthetic Blend - Gallon 1 gallon

Recommended Gear Lube

Gear Lube Quantity:
Standard gearcase applications use approximately 1 quart of gear lube.

Gear Lube Type Product
Mercury Premium Gear Lube 80W90 Mercury Premium Gear Lube 80W90 - Quart
Mercury High Performance Gear Lube Mercury High Performance Gear Lube - Quart

BigFoot / Command Thrust 300 Hour Kits

BigFoot 300 Hour Kit

300 Hour Kit - BigFoot / Command Thrust

Use this kit for Mercury 40-60HP EFI outboards with BigFoot or Command Thrust gearcases. Oil and gear lube sold separately.

View Product
BigFoot 300 Hour Kit With Oil

300 Hour Kit With Oil - BigFoot / Command Thrust

Complete 300 hour maintenance kit with oil and gear lube for compatible BigFoot and Command Thrust gearcase models.

View Product

What This Service Kit is Used For

The Mercury 8M0113483 service kit is used for 300 hour maintenance on compatible Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards equipped with standard gearcases.

A 300 hour service includes more extensive maintenance than a basic 100 hour service and helps support fuel system performance, cooling system reliability, ignition performance, lubrication service, and long-term outboard protection.

Key Features and Benefits

  • OEM Mercury 300 hour service kit
  • Fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards
  • Fits serial numbers 1C000001 and higher
  • For standard gearcase models only
  • Oil and gear lube sold separately
  • Kit with 10W30 oil and gear lube available separately
  • BigFoot / Command Thrust kits linked above

Service Kit Details

  • Part Number: 8M0113483
  • Application: Mercury 40-60HP FourStroke EFI Outboards
  • Serial Range: 1C000001 & Higher
  • Gearcase Type: Standard Gearcase
  • Service Interval: 300 Hour Maintenance
  • Oil and Gear Lube: Sold Separately

FAQ

What engines does this kit fit?
This kit fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with standard gearcases.

Does this fit BigFoot or Command Thrust gearcases?
No. BigFoot and Command Thrust kits are linked above.

Does this kit include oil and gear lube?
Oil and gear lube are sold separately.

Is there a version with 10W30 oil and gear lube included?
Yes. The Mercury 8M0113483-L kit with 10W30 oil and gear lube is linked above.

How much engine oil does this motor use?
Approximately 4 quarts or 1 gallon.

How much gear lube is required?
Approximately 1 quart for standard gearcase models.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Maintenance kits must be new, unused, and in original packaging.
  • Opened oil and lubricants may not be returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0113483, 8M0113483-L, 8M0090559, 8M0090559-L, Mercury 40HP 300 hour kit, Mercury 50HP 300 hour kit, Mercury 60HP 300 hour kit, Mercury standard gearcase 300 hour kit, Mercury 40-60HP standard gearcase maintenance, Mercury serial 1C000001 300 hour kit, Mercury 300 hour kit oil and gear lube sold separately, Mercury 300 hour kit with 10W30, Mercury BigFoot 300 hour kit, Mercury Command Thrust 300 hour kit, Mercury FourStroke EFI 300 hour service

Item#:
8M0113483
Cross Reference#:
8M0113483
Manufacturer Item:
8M0113483
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
333.49
Each

Mercury MerCruiser Neutral Safety Switch - 52939P

Pro Marine Shift Switch for Outboard, Verado, Pro XS and MerCruiser

Pro Marine Mercury / MerCruiser Neutral Safety Switch

Mercury MerCruiser Neutral Safety / Shift Switch - 52939P

Pro Marine 52939P is an aftermarket replacement neutral safety / shift position switch used across a wide range of Mercury Marine applications.

Applications shown in Mercury parts data include select Mercury and Mariner outboards, Verado, Pro XS, racing outboards, MerCruiser sterndrives, inboards and TowSports engines.

Cross-references Mercury / MerCruiser numbers 8M0207794, 8M0052939, 889514A01, 879150T94 and 814281A7. Because this switch appears in several different shift systems, always verify the OEM number and engine serial range before ordering.

Pro Marine 52939P Switch

Part Type: Neutral Safety / Shift Position Switch
Brand: Pro Marine
OEM or Aftermarket: Aftermarket
Applications: Mercury Outboard and MerCruiser
Outboard Families: Mercury, Mariner, Verado, Pro XS and Racing
MerCruiser Applications: Sterndrive, Inboard and TowSports
Current Mercury Reference: 8M0207794
Pro Marine Item #: 52939P

Compatible Applications

The following applications are taken from the supplied Mercury fitment information. Because this switch is used across multiple engine and shift systems, serial number is important.

Mercury / Mariner 3.0L Outboards

Model Serial Range
200 HP 3.0L0T750164 thru 0T800999; 0T801000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 2B528096
225 HP 3.0L0T409000 thru 0T800999; 0T801000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 2B528096
250 HP 3.0L0T409000 thru 0T800999; 0T801000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 2B528096
3.0L Marathon0T409000 thru 0T800999
3.0L SeaPro0T409000 thru 0T800999
225 HP 3.0L Marathon0T801000 thru 1B417701
225 HP 3.0L SeaPro0T801000 thru 1B417701

Mercury 3.0L DFI / Pro XS / Sport XS Applications

Model Serial Range
200 HP DFI 3.0L0T980000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 1B912785; 1B912786 thru 2B535571
225 HP DTS 3.0L0T599000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 1B964735
200 HP DTS 3.0L0T980000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 1B964735
200 HP Pro XS 3.0L1B504989 thru 1B912785; 1B912786 thru 2B535571
225 HP Pro XS 3.0L1B104549 thru 1B426560; 1B426561 thru 1B752546; 1B752547 thru 2B535608
250 HP Pro XS 3.0L1B752547 thru 2B535608
250 HP XS 3.0L0T615945 thru 0T818042; 0T818043 thru 0T997973; 0T997974 thru 1E000796; 1E000797 thru 1E002341; 1E002342 thru 1E051113; 1E053158 thru 1E053958
250 HP Sport XS 2.5L1E002342 thru 1E051823; 1E051824 thru 1E052994
225 HP Sport XS 2.5L1E002584 thru 1E050825
225 HP XS 2.5L1E002584 thru 1B792195
225 HP Pro XS 3.0L1B752547 thru 2B535608

Mercury Racing / Special Performance Applications

Model Serial Range
300X 3.0L Pro Max0T429940 thru 0T999587
300 HP XS 6 Cyl 3.2L1E001867 thru 1E052057; 1E052058 thru 1E053987
200 HP XS 6 Cyl 2.5L1E000797 thru 1E002110
200 HP XS 6 Cyl 2.5L ROS1E050852 thru 1E053876
200 HP XS SST 6 Cyl 2.5L1E050629 thru 1E053875
2.5XS 2.5L0T997974 thru 1E000796
JP 3.0L0T997974 thru 1E003045; 1E003046 thru 1E052824
110 Jet 2.5L1B690542 thru 1B974227
150 HP Pro XS 2.5L1B690542 thru 2B535572

Mercury V6 2.5L Applications

Model Serial Range
135 HP V6 2.5L1B227000 thru 1B417701; 1B417702 thru 1B737495
150 HP V6 2.5L1B227000 thru 1B417701; 1B417702 thru 1B580029
175 HP V6 2.5L1B227000 thru 1B417701; 1B417702 thru 1B508457

Mercury Verado Applications

Model Serial Range
135 HP EFI Verado 4 Cyl1B227000 thru 1B381711; 1B381712 thru 1B517158; 1B517159 thru 2B576734; Belgium 0P419487 thru 0P464487, 0P464488 thru 0P514868, 0P514869 thru 0P593020
150 HP EFI Verado 4 Cyl1B227000 thru 1B381711; 1B381712 thru 1B517158; 1B517159 thru 2B576734; Belgium 0P419487 thru 0P464487, 0P464488 thru 0P514868, 0P514869 thru 0P593020
175 HP EFI Verado 4 Cyl1B227000 thru 1B381711; 1B381712 thru 1B517158; 1B517159 thru 2B576734; Belgium 0P419487 thru 0P464487, 0P464488 thru 0P514868, 0P514869 thru 0P593020
200 HP Verado 4 Cyl1B517159 thru 2B576734; Belgium 0P514869 thru 0P593020
200 HP Verado 6 Cyl0T980000 thru 1B226999; 1B227000 thru 1B381711; 1B381712 thru 1B517433; 1B517434 thru 2B144122; Belgium 0P409357 thru 0P464487, 0P464488 thru 0P520552, 0P520553 thru 2B144122
225 HP Verado 6 Cyl0T980000 thru 1B226999; 1B227000 thru 1B381711; 1B381712 thru 1B517433; 1B517434 thru 2B144122; Belgium 0P409357 thru 0P464487, 0P464488 thru 0P520552, 0P520553 thru 2B144122
250 HP Verado 6 Cyl0T980000 thru 1B226999; 1B227000 thru 1B381711; 1B381712 thru 1B517433; 1B517434 thru 2B144122; Belgium 0P409357 thru 0P464487, 0P464488 thru 0P520552, 0P520553 thru 2B144122
275 HP Verado 6 Cyl0T980000 thru 1B226999; 1B227000 thru 1B381711; 1B381712 thru 1B517433; 1B517434 thru 2B144122; Belgium 0P409357 thru 0P464487, 0P464488 thru 0P520552, 0P520553 thru 2B144122
300 HP Verado 6 Cyl1B517434 thru 2B144122; Belgium 0P520553 thru 2B144122
350 HP SCi Verado1B716557 thru 2B143542
200 HP Pro Verado 6 Cyl2B034840 thru 2B144122
250 HP Pro Verado 6 Cyl1B830170 thru 2B144122
300 HP Pro Verado 6 Cyl1B830170 thru 2B144122

Mercury 75-115 HP EFI Applications

Model Serial Range
75 HP EFI1B366823 thru 2B094995
80 HP EFI1B366823 thru 2B094995; Belgium 0P459572 thru 2B094995
90 HP EFI1B366823 thru 2B094995
100 HP EFI1B366823 thru 2B094995; Belgium 0P459572 thru 2B094995
115 HP EFI1B366823 thru 2B094995

MerCruiser Sterndrive Applications

The supplied Mercury fitment also shows this switch in multiple MerCruiser Digital Throttle and Shift shift-bracket and actuator assemblies.

MerCruiser Model Serial Range Shown
496 MAG Base / H.O.0M025000 thru 0M687082/143; 0M687083/144 thru 0W059999; 0W060000 thru 0W309999; 0W310000 thru 0W649999; 0W650000 thru 1A066165; 1A066166 thru 1A350678; 1A350679 and later applications shown
5.0L MPI Alpha / Bravo0W310000 thru 0W649999; 0W650000 thru 1A299999; 1A300000 thru 1A611927; 1A611928 thru 1A623184; 1A623185 and later applications shown
5.0L MPI Alpha / Bravo EC1A300000 thru 1A611927; 1A611928 thru 1A623184; 1A623185 and later applications shown
350 MAG MPI Alpha / Bravo0W310000 thru 0W649999; 0W650000 thru 1A299999; 1A300000 thru 1A611927; 1A611928 thru 1A623184; 1A623185 and later applications shown
350 MAG MPI Horizon Alpha / Bravo0W310000 thru 0W649999; 0W650000 thru 1A299999; 1A300000 thru 1A611927; 1A611928 thru 1A623184; 1A623185 and later applications shown
350 MAG MPI Alpha / Bravo EC1A300000 thru 1A611927; 1A611928 thru 1A623184; 1A623185 and later applications shown
377 MAG MPI Bravo1A300000 thru 1A611927; 1A611928 thru 1A623184; later applications shown
377 MAG MPI Bravo EC1A343300 thru 1A611927; 1A611928 thru 1A623184; later applications shown
MX 6.2L MPI Bravo / Horizon Bravo0W310000 thru 0W649999
8.2L Mag / Mag EC Base and H.O.1A350340/478/497 thru 2A041664; 2A041665 thru 2A051740/741; 2A051742/743 and later applications shown
565 EFI0M967821 and later applications shown
5200M970122 and later applications shown
5400M970866 and later applications shown

Mercury Diesel / CMD Applications

Model Application / Serial Range
CMD QSD 2.0 ES 115 / 130 / 150 / 170Multiple sterndrive and inboard/TowSports serial ranges shown in supplied fitment
CMD QSD 2.8 ES 170 / 210 / 220 / 230Multiple sterndrive and inboard/TowSports serial ranges shown in supplied fitment
CMD QSD 4.2 ES 270 / 320 / 350Multiple sterndrive and inboard/TowSports serial ranges shown in supplied fitment
TDI 4.2L 335 MIE / MCMCMC000200 and later applications shown
TDI 4.2L 370 MIE / MCMCMC000200 and later applications shown
3.0L TDI 100 SDAll serials shown
3.0L TDI 230 SD / IBAll serials shown
3.0L TDI 260 SD / IBAll serials shown
Important Fitment Note

This switch is used in many different Mercury Marine shift systems. The engine horsepower by itself is not enough to determine fitment.

Verify your engine model, serial number and OEM switch number before ordering.

Depending on the application, Mercury parts diagrams may show this switch under throttle linkage, shift linkage, shift components, upper shift components, DTS shift brackets, shift actuators or related assemblies.

OEM and Cross Reference Numbers

Brand / Type Part Number
Pro Marine 52939P
Current Mercury Reference 8M0207794
Mercury OEM 8M0052939
Mercury OEM 889514A01
Mercury OEM 814281A7
Mercury Cross Reference 879150T94

OEM Mercury Version Available

Mercury OEM Switch - 8M0052939

Prefer the genuine Mercury version? Pro Marine USA also stocks the OEM Mercury switch for this application.

View Mercury OEM 8M0052939 Switch

What This Part is Used For

The neutral safety / shift position switch provides the engine or control system with information about the position of the shift mechanism.

In applications where it functions as the neutral safety switch, it is part of the starting-safety circuit designed to prevent the engine from being started when the shift mechanism is in gear.

Mercury also uses this switch within several mechanical and Digital Throttle and Shift (DTS) systems, which explains the wide variety of outboard, sterndrive and inboard applications shown in the fitment data.

Common Symptoms of a Faulty Neutral Safety / Shift Switch

  • Engine will not crank even though the control is in neutral
  • Intermittent no-crank condition
  • Starting issue changes when the control lever is moved slightly
  • Incorrect or inconsistent shift-position signal
  • DTS or shift-related fault after other causes have been ruled out
  • Physical damage to the switch or actuator
  • Corrosion or damaged electrical connections

These symptoms can also be caused by wiring, adjustment, control or starting-system problems. Diagnose the system before replacing the switch.

Installation and Replacement Tips

  • Disconnect battery power before servicing the shift or starting circuit.
  • Confirm the OEM switch number before removing the original part.
  • Note the position and adjustment of the original switch before removal.
  • Inspect the switch connector and wiring for corrosion or damage.
  • Check the shift linkage for excessive wear or improper adjustment.
  • Install and adjust the switch according to the applicable Mercury service procedure.
  • Verify that the engine starts only in the intended neutral position where applicable.
  • Verify proper forward, neutral and reverse operation after installation.
  • On DTS applications, follow the appropriate Mercury diagnostic and setup procedures.

Key Features and Benefits

  • Pro Marine aftermarket replacement switch
  • Fits numerous Mercury Marine shift-system applications
  • Applications include Mercury and Mariner outboards
  • Fits select Mercury Verado and Pro Verado models
  • Fits select Mercury Pro XS, XS and racing outboards
  • Fits select MerCruiser sterndrive applications
  • Fits select MerCruiser inboard and TowSports applications
  • Used in mechanical and DTS-related shift systems depending on application
  • Crosses to Mercury 8M0207794
  • Crosses to Mercury 8M0052939
  • Crosses to 889514A01, 814281A7 and 879150T94
  • Pro Marine item number 52939P

FAQ

What does Pro Marine 52939P fit?
It fits a wide range of select Mercury Marine applications including Mercury and Mariner outboards, Verado, Pro XS and racing outboards, plus numerous MerCruiser sterndrive, inboard and TowSports applications. Use the model and serial-number tables above for fitment.

Is 52939P a neutral safety switch?
Yes. It is commonly identified as a neutral safety / shift position switch. Its exact role varies with the Mercury shift system in which it is installed.

Does 52939P replace Mercury 8M0207794?
Yes. 8M0207794 is the current Mercury reference associated with this switch application.

What happened to Mercury 8M0052939?
Mercury parts data shows 8M0052939 superseded by 8M0207794.

Does this replace 889514A01?
Yes. 889514A01 is an earlier Mercury switch assembly in the verified supersession family.

Does this replace 814281A7?
Yes. 814281A7 is also an earlier Mercury switch number in the verified supersession family.

Does it fit Mercury Verado?
Yes. The supplied Mercury fitment includes numerous 135-350 HP Verado applications, including 4-cylinder, 6-cylinder and Pro Verado models. Serial number must be verified.

Does it fit Mercury Pro XS?
Yes. The supplied fitment includes several Pro XS applications, including 2.5L and 3.0L models. Refer to the model and serial ranges above.

Does it fit MerCruiser engines?
Yes. The supplied Mercury fitment includes numerous MerCruiser sterndrive and inboard applications, including 496 MAG, 5.0L MPI, 350 MAG, 377 MAG, 8.2L and several CMD / TDI diesel applications.

Can I select this switch by horsepower?
No. This switch spans many engine families and shift systems. Verify the engine model, serial number and OEM part number before ordering.

Do you also carry the genuine Mercury switch?
Yes. Pro Marine USA also stocks the Mercury OEM 8M0052939 switch .

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Parts must be new, unused, and in original packaging.
  • Installed parts are not returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Part Numbers

52939P, 8M0207794, 8M0052939, 889514A01, 814281A7, 879150T94

Searchable Terms

Mercury neutral safety switch, Mercury shift switch, Mercury shift position switch, Mercury neutral switch, Mercury outboard neutral safety switch, Mercury Pro XS shift switch, Mercury Verado shift switch, Verado neutral safety switch, Mercury 3.0L shift switch, Mercury DTS shift switch, MerCruiser neutral safety switch, MerCruiser shift switch, MerCruiser DTS switch, 8M0207794 switch, 8M0052939 switch, Pro Marine 52939P

Item#:
52939P
Cross Reference#:
8M0052939
8M0207794
814281A7
879150T94
889514A01
Manufacturer Item:
8M0207794
Manufacturer:
Pro Marine
Available:
In Stock
49.9500
Your Price:
42.95
Each

Mercury 40-60HP 300 Hour Kit BigFoot / Command Thrust

Serial 1C000001-Present With Oil & Gear Lube

OEM Mercury 40-60HP 300 Hour Service Kit With Oil

Mercury 40-60HP 300 Hour Kit BigFoot / Command Thrust

The Mercury 8M0090559-L 300 Hour Service Kit is a complete maintenance package for Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with BigFoot or Command Thrust gearcases.

This 300 hour maintenance kit includes the required service components along with engine oil and gear lube for routine scheduled maintenance.

Compatible Applications

Brand Horsepower Engine Type Gearcase Type Serial Range
Mercury 40HP FourStroke EFI Outboard BigFoot / Command Thrust 1C000001 & Higher
Mercury 50HP FourStroke EFI Outboard BigFoot / Command Thrust 1C000001 & Higher
Mercury 60HP FourStroke EFI Outboard BigFoot / Command Thrust 1C000001 & Higher
Important Fitment Note:

This Mercury 300 hour service kit fits Mercury 40-60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with BigFoot or Command Thrust gearcases only.

If your engine has a standard gearcase, use the standard gearcase 300 hour kits linked below instead.

What is Included

Included Component Application
Oil Filter Engine oil filtration service
Fuel Filters Fuel system maintenance
Spark Plugs Ignition system maintenance
Water Pump Components Cooling system service
Thermostat Components Cooling system maintenance
Mercury Engine Oil Engine oil service
Mercury Gear Lube Gearcase lubricant service

Prefer to Choose a Different Oil?

Some customers prefer to purchase their own Mercury oil separately, including Mercury 25W40, Synthetic Blend, or Full Synthetic options.

If you prefer to select your own engine oil and gear lube, order the standard 300 hour kit below.

Order 8M0090559 - Oil and Gear Lube Sold Separately

Included Oil & Gear Lube Information

Included Lubricants:

This kit includes Mercury engine oil and gear lube for the complete 300 hour maintenance service.

Mercury 40-60HP FourStroke EFI engines use approximately 4 quarts of engine oil, or 1 gallon.

BigFoot and Command Thrust gearcases may require different gear lube fill amounts than standard gearcases. Always verify fill quantity in your Mercury owner's manual.

Standard Gearcase 300 Hour Kits

300 Hour Standard Gearcase Kit

300 Hour Kit - Standard Gearcase

Use this kit for Mercury 40-60HP EFI outboards with standard gearcases. Oil and gear lube sold separately.

View Product
300 Hour Standard Gearcase Kit With Oil

300 Hour Kit With Oil - Standard Gearcase

Complete 300 hour maintenance kit with oil and gear lube for compatible standard gearcase models.

View Product

What This Service Kit is Used For

The Mercury 8M0090559-L service kit is used for 300 hour maintenance on compatible Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards equipped with BigFoot or Command Thrust gearcases.

A 300 hour maintenance service is more extensive than a standard 100 hour service and commonly includes fuel system maintenance, cooling system service, spark plug replacement, water pump service, oil service, and gearcase maintenance.

Key Features and Benefits

  • OEM Mercury 300 hour service kit
  • Fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards
  • Fits serial numbers 1C000001 and higher
  • For BigFoot and Command Thrust gearcase models
  • Includes engine oil and gear lube
  • Complete maintenance package for scheduled service
  • Alternative kit available for customers preferring different oils
  • Standard gearcase kits linked above

Service Kit Details

  • Part Number: 8M0090559-L
  • Base Kit: 8M0090559
  • Application: Mercury 40-60HP FourStroke EFI Outboards
  • Serial Range: 1C000001 & Higher
  • Gearcase Type: BigFoot / Command Thrust
  • Service Interval: 300 Hour Maintenance
  • Oil Included: Yes
  • Gear Lube Included: Yes

FAQ

What engines does this kit fit?
This kit fits Mercury 40HP, 50HP, and 60HP FourStroke EFI outboards with serial numbers 1C000001 and higher equipped with BigFoot or Command Thrust gearcases.

Does this fit standard gearcase models?
No. This kit is for BigFoot and Command Thrust gearcases only. Standard gearcase kits are linked above.

Does this kit include oil and gear lube?
Yes. This kit includes Mercury engine oil and gear lube.

What if I prefer a different oil?
Customers who prefer different Mercury oil options can order the standard 8M0090559 kit and select their preferred oil separately.

How do I know if I have a BigFoot or Command Thrust gearcase?
Verify your gearcase type using your Mercury model information or owner's manual before ordering.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Maintenance kits must be new, unused, and in original packaging.
  • Opened oil and lubricants may not be returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0090559-L, 8M0090559, 8M0113483, 8M0113483-L, Mercury 40HP 300 hour kit with oil, Mercury 50HP 300 hour kit with oil, Mercury 60HP 300 hour kit with oil, Mercury BigFoot 300 hour service kit, Mercury Command Thrust 300 hour kit, Mercury 40-60HP BigFoot maintenance kit, Mercury 40-60HP Command Thrust maintenance kit, Mercury serial 1C000001 300 hour service, Mercury standard gearcase 300 hour kit, Mercury 300 hour kit with oil and gear lube, Mercury FourStroke EFI 300 hour service

Item#:
8M0090559-L
Cross Reference#:
8M0090559
Manufacturer Item:
8M0090559
Manufacturer:
Mercury Marine
Available:
In Stock
325.9700
Your Price:
316.19
Each

Mercury L6 Verado Serial 2B144123-Up 200HP-400HP 100 Hour Service Kit

OEM Mercury 100 Hour Maintenance Kit Without Engine Oil or Gear Lube

OEM Mercury 100 Hour Service Kit

Mercury L6 Verado 200HP-400HP Serial 2B144123-Up Maintenance Kit

This genuine OEM Mercury maintenance kit contains the routine service components needed for compatible Mercury L6 Verado 200HP-400HP FourStroke outboards.

Designed for scheduled 100 hour maintenance service on compatible Verado models beginning with serial range 2B144123 and newer. This version does NOT include engine oil or gear lube.

Compatible Applications

Engine Platform Horsepower Range Serial Range Application Notes
Mercury L6 Verado 200HP-400HP 2B144123-Up Select L6 FourStroke Verado outboards
Important Service Note: This kit does NOT include engine oil or gear lube.

If you would like the complete maintenance kit including oil (10W30) and gear lube, see this version instead:

View Complete Mercury Service Kit With Oil & Gear Lube

What is Included

Qty Included Component Application
1 OEM Mercury Oil Filter Routine engine oil service


1 Water Separating Fuel Filter Fuel filtration service
1 Drain Seals & Service Components Routine maintenance service

Recommended Gear Lube

Compatible Mercury High Performance Gear Lube:

Mercury High Performance Gear Lube Quart

Quantity Required: 2 Quarts

Recommended Engine Oil Options

Oil Type Product Quantity Required
Mercury SAE 10W30 Mercury 10W30 Engine Oil Gallon 2 Gallons
Mercury 10W30 Synthetic Blend Mercury 10W30 Synthetic Blend Gallon 2 Gallons
Mercury 25W40 Synthetic Blend Mercury 25W40 Synthetic Blend Gallon 2 Gallons
Mercury 25W40 Engine Oil Mercury 25W40 Engine Oil 8 Quarts

Recommended Verado Anode Kits

L6 Verado 200 300 Anode Kit

Mercury L6 Verado 200HP-300HP Anode Kit

Tecno Seal aluminum anode kit for Mercury inline 6-cylinder Verado 200HP-300HP outboards. Helps protect transom and gearcase components from galvanic corrosion.

View Product
L6 Verado 350 400 Anode Kit

Mercury L6 Verado 350HP-400HP Anode Kit

Tecno Seal aluminum anode kit for Mercury L6 Verado 350HP-400HP outboards. Designed for corrosion protection of gearcase and transom components.

View Product

What This Service Kit is Used For

This OEM Mercury service kit provides the routine maintenance components required for scheduled 100 hour service on compatible Mercury L6 Verado FourStroke outboards.

Regular maintenance helps support fuel system cleanliness, engine lubrication performance, cooling system reliability, and long-term engine durability.

Replacing filters and service components at recommended service intervals helps reduce engine wear and maintain dependable offshore performance.

Many customers prefer this version of the kit because it allows them to select their preferred Mercury engine oil and gear lube separately.

Key Features and Benefits

  • Genuine OEM Mercury 100 hour maintenance kit
  • Fits Mercury L6 Verado 200HP-400HP outboards
  • Fits serial number range 2B144123 and newer
  • Includes OEM Mercury maintenance components
  • Designed for routine scheduled service
  • Does not include engine oil or gear lube
  • Allows customers to choose preferred Mercury lubricants
  • Convenient all-in-one maintenance package

Service Kit Details

  • Kit Part Number: 8M0120657
  • Brand: Mercury Marine
  • Application: Mercury L6 Verado 200HP-400HP
  • Serial Range: 2B144123-Up
  • Service Interval: 100 Hour Maintenance
  • Oil Included: No
  • Gear Lube Included: No
  • Engine Platform: L6 Verado FourStroke

FAQ

What engines does this service kit fit?
This kit fits compatible Mercury L6 Verado 200HP-400HP FourStroke outboards with serial numbers 2B144123 and newer.

Does this kit include engine oil?
No. Engine oil must be purchased separately.

Does this kit include gear lube?
No. Gear lube must be purchased separately.

Can I purchase a complete kit with oil and gear lube included?
Yes. Mercury also offers a complete version of this kit that includes both engine oil and gear lube.

How often should this maintenance be performed?
Mercury recommends routine 100 hour or annual maintenance depending on operating conditions and usage.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 (continental U.S.).
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Items must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0120657, Mercury L6 Verado service kit, Mercury Verado 100 hour kit, Mercury 200HP Verado maintenance kit, Mercury 225HP Verado maintenance kit, Mercury 250HP Verado maintenance kit, Mercury 300HP Verado maintenance kit, Mercury 350HP Verado maintenance kit, Mercury 400HP Verado maintenance kit, Mercury Verado oil change kit, Mercury Verado maintenance parts, Mercury 100 hour maintenance kit, Mercury serial 2B144123-Up service kit

Item#:
8M0120657
Manufacturer Item:
8M0120657
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
81.99
Each

Mercury 300 Hour V8 CMS Service Kit with Oil & Gear Lube

OEM 8M0149931-L Kit for 4.6L V8 CMS SeaPro & ProXS

OEM Mercury 300-Hour Service Kit with Oil & Gear Lube

Mercury 8M0149931-L Service Kit for 4.6L V8 CMS SeaPro & ProXS Outboards

The Mercury 8M0149931-L 300-Hour Service Kit is an OEM maintenance kit for Mercury 4.6L V8 CMS (Conventional Mid Section) SeaPro and ProXS 4-stroke outboards.

This complete version includes the major 300-hour service replacement items, plus Mercury 10W30 engine oil and Mercury gear lube for a more complete maintenance package.

Compatible Applications

Engine Family Horsepower / Type Midsection Application Notes
Mercury SeaPro 4.6L V8 FourStroke CMS / Conventional Mid Section Fits compatible Mercury V8 CMS SeaPro outboards
Mercury ProXS 4.6L V8 FourStroke CMS / Conventional Mid Section Fits compatible Mercury V8 CMS ProXS outboards
Fitment Note: This kit is for Mercury 4.6L V8 CMS SeaPro and ProXS 4-stroke outboards.

CMS stands for Conventional Mid Section. Always verify your engine model, serial number, and owner’s manual before ordering service kits or maintenance parts.

What is Included

  • OEM Mercury oil filter
  • OEM Mercury fuel filter
  • Oil drain seal
  • Spark plugs
  • Thermostat
  • Alternator belt
  • Water pump repair kit
  • Anodes
  • Mercury 10W30 engine oil
  • Mercury gear lube

OEM Part Numbers & Cross References

Brand / Type Part Number
Mercury OEM 8M0149931-L
Related Kit Without Oil 8M0149931
Application 300-Hour V8 CMS Service Kit with Oil & Gear Lube

Prefer to Choose Your Own Oil?

This kit includes Mercury 10W30 engine oil and gear lube. Some customers prefer to choose a different Mercury oil viscosity or purchase fluids separately.

If you want the same 300-hour kit without oil and gear lube, see:

Mercury 8M0149931 300-Hour V8 CMS Service Kit Without Oil

Related Anode Kit

This V8 CMS application uses the Mercury CMS aluminum anode kit. If you are replacing anodes separately or want a complete corrosion protection kit, see:

Mercury 8M0205953 Aluminum Anode Kit for CMS V6 / V8 Outboards

What This Service Kit is Used For

This Mercury 300-hour service kit is used for scheduled maintenance on compatible V8 CMS SeaPro and ProXS 4-stroke outboards.

Periodic maintenance helps protect your investment, support reliable operation, and keep your engine running longer and stronger.

Mercury packages the required 300-hour service replacement items together so customers do not have to order each part separately.

Key Features and Benefits

  • Genuine OEM Mercury 300-hour maintenance kit
  • Fits Mercury 4.6L V8 CMS SeaPro and ProXS 4-stroke outboards
  • Includes oil filter, fuel filter, and oil drain seal
  • Includes spark plugs, thermostat, and alternator belt
  • Includes water pump repair kit and anodes
  • Includes Mercury 10W30 engine oil and gear lube
  • Convenient all-in-one maintenance package
  • Produced to Mercury OEM specifications

Service Kit Details

  • Brand: Mercury / Quicksilver
  • Part Number: 8M0149931-L
  • Part Type: 300-Hour Service Kit with Oil & Gear Lube
  • Application: Mercury 4.6L V8 CMS SeaPro and ProXS FourStroke Outboards
  • Midsection: CMS / Conventional Mid Section
  • Includes Oil: Yes
  • Includes Gear Lube: Yes
  • Quantity Sold: Kit

FAQ

What engines does Mercury 8M0149931-L fit?
This kit fits Mercury 4.6L V8 CMS SeaPro and ProXS 4-stroke outboards.

Does this kit include engine oil?
Yes. This version includes Mercury 10W30 engine oil.

Does this kit include gear lube?
Yes. This version includes Mercury gear lube.

What parts are included in this 300-hour kit?
The kit includes an oil filter, fuel filter, oil drain seal, spark plugs, thermostat, alternator belt, water pump repair kit, anodes, engine oil, and gear lube.

Is there a version without oil?
Yes. Mercury 8M0149931 includes the same 300-hour service parts without engine oil and gear lube.

Which anode kit goes with this engine?
This CMS application uses Mercury aluminum anode kit 8M0205953.

Is this an OEM Mercury kit?
Yes. This is a genuine Mercury / Quicksilver service kit produced to Mercury OEM specifications.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.

Apply for a Dealer Account

Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1–5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Service kits should be verified for correct fitment before installation.
  • Items must be new, unused, and in original packaging.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0149931-L, Mercury 300 hour service kit with oil, Mercury V8 CMS service kit, Mercury 4.6L V8 service kit, Mercury SeaPro 300 hour kit with oil, Mercury ProXS 300 hour kit with oil, Mercury CMS maintenance kit, Mercury oil filter fuel filter kit, Mercury spark plug service kit, Mercury water pump repair kit, Mercury thermostat service kit, Mercury alternator belt kit, Mercury anode service kit, Mercury 10W30 oil kit, Mercury gear lube kit, 8M0149931, 8M0205953

Item#:
8M0149931-L
Cross Reference#:
8M0149931
Manufacturer Item:
8M0149931
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
564.44
Each

Mercury 75-115HP 2.1L Serial 2B094996-Present 100 Hour Service Kit

OEM 8M0097854 Kit Engine Oil and Gear Lube Sold Separately

OEM Mercury 75-115HP 2.1L 100 Hour Service Kit

Mercury 75-115HP 2.1L EFI 100 Hour Kit - Serial 2B094996-Present

The Mercury 8M0097854 100 hour service kit is designed for Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

This OEM Mercury maintenance kit includes the routine 100 hour service components commonly replaced during scheduled maintenance. This version does not include engine oil or gear lube.

Compatible Applications

Brand Horsepower Engine Type Serial Range
Mercury 75HP, 90HP, 115HP 2.1L FourStroke EFI Outboard 2B094996 & Higher
Important Fitment Note:

This 100 hour service kit is for Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

Always verify your engine serial number before ordering maintenance parts.

What is Included

Included Component Application
Oil Filter Engine oil filtration service
Fuel Filter Fuel system maintenance
Gearcase Drain Seal Gearcase lubricant service

Oil Capacity & Recommended Oil Options

Engine Oil Quantity:

These Mercury 75-115HP 2.1L engines use approximately 6 quarts of engine oil, or 1 gallon plus 2 quarts.

This kit does not include engine oil.
Oil Type Product Quantity Required
Mercury 10W30 Mercury 10W30 Engine Oil - Quart 6 quarts
Mercury 10W30 Mercury 10W30 Engine Oil - Gallon 1 gallon + 2 quarts
Mercury 10W30 Synthetic Blend Mercury 10W30 Synthetic Blend - Quart 6 quarts
Mercury 10W30 Synthetic Blend Mercury 10W30 Synthetic Blend - Gallon 1 gallon + 2 quarts
Mercury 10W30 Full Synthetic Mercury 10W30 Full Synthetic - Gallon 1 gallon + 2 quarts
Mercury 25W40 Mercury 25W40 Engine Oil - Quart 6 quarts
Mercury 25W40 Synthetic Blend Mercury 25W40 Synthetic Blend - Quart 6 quarts
Mercury 25W40 Synthetic Blend Mercury 25W40 Synthetic Blend - Gallon 1 gallon + 2 quarts

Gear Lube Recommendations

Gear Lube Quantity:

This service requires approximately 1 quart of gear lube.

This kit does not include gear lube.
Gear Lube Type Product Quantity Required
Mercury Premium Gear Lube 80W90 Mercury Premium Gear Lube - Quart 1 quart
Mercury High Performance Gear Lube Mercury High Performance Gear Lube - Quart 1 quart

Want the Complete Kit With Oil & Gear Lube?

100 Hour Kit With 10W30 Oil & Gear Lube

The complete Mercury maintenance kit with 10W30 engine oil and gear lube is available separately for customers who want a complete service package.

View Kit With Oil & Gear Lube

Complete Your Service

Side Pocket Anode

Side Pocket Anode Kit

Aluminum side pocket anode kit used on compatible Mercury 2.1L EFI outboards.

View Product
Transom Anode

Transom Anode Bar Kit

Aluminum transom anode bar kit for corrosion protection on compatible Mercury outboards.

View Product
Mercury Anode Kit

Mercury Aluminum Anode Kit

Complete aluminum anode kit option for compatible Mercury FourStroke outboards.

View Product

What This Service Kit is Used For

The Mercury 8M0097854 service kit is used for routine 100 hour maintenance on compatible Mercury 75-115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

Routine service helps support fuel system cleanliness, oil filtration, gearcase lubricant service, and long-term engine reliability.

Key Features and Benefits

  • OEM Mercury 100 hour service kit
  • Fits Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards
  • For serial numbers 2B094996 and higher
  • Includes oil filter, fuel filter, and gearcase drain seal
  • Does not include engine oil or gear lube
  • Compatible with Mercury 10W30 and 25W40 oils
  • Supports routine 100 hour maintenance intervals

Service Kit Details

  • Part Number: 8M0097854
  • Application: Mercury 75-115HP 2.1L FourStroke EFI Outboards
  • Serial Range: 2B094996 & Higher
  • Service Interval: 100 Hour Maintenance
  • Oil Included: No
  • Gear Lube Included: No
  • Oil Capacity: Approximately 6 quarts, or 1 gallon plus 2 quarts
  • Gear Lube Quantity: Approximately 1 quart

FAQ

What engines does this service kit fit?
This kit fits Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.

Does this kit include engine oil?
No. Engine oil is sold separately.

Does this kit include gear lube?
No. Gear lube is sold separately.

How much engine oil does the engine use?
Approximately 6 quarts, or 1 gallon plus 2 quarts.

How much gear lube is required?
Approximately 1 quart of gear lube is required.

Is there a version with oil and gear lube included?
Yes. A complete kit with 10W30 oil and gear lube is linked above.

Dealer Discounts & Store Policies

Dealer / Marine Industry Discounts

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Shipping Policy

  • Free shipping on orders over $100 continental U.S.
  • Orders ship via UPS, USPS, and FedEx.
  • Orders received before 5:30 PM EST ship the same business day.
  • Typical delivery time is 1-5 business days.

30-Day Return Policy

  • Returns accepted within 30 days of delivery.
  • Maintenance kits must be new, unused, and in original packaging.
  • Opened oil and lubricants may not be returnable.
  • Return authorization is required before sending items back.

Need help with a return or order question?
Contact Us
Phone: 941-721-3000

Searchable Terms

8M0097854, Mercury 75HP 2.1L service kit, Mercury 90HP 2.1L service kit, Mercury 115HP 2.1L service kit, Mercury 2.1L FourStroke maintenance kit, Mercury serial 2B094996, Mercury EFI maintenance, Mercury 100 hour service, Mercury oil filter, Mercury fuel filter, Mercury gearcase drain seal, Mercury 10W30 oil, Mercury 25W40 oil, Mercury Premium Gear Lube, Mercury High Performance Gear Lube, 6068K, 6249K, 8M0107549

Item#:
8M0097854
Cross Reference#:
8M0097854
Manufacturer Item:
8M0097854
Manufacturer:
Mercury Marine
Available:
In Stock
Your Price:
38.49
Each
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