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Mercury Outboard Parts
Shop OEM and aftermarket Mercury outboard parts for maintenance, repair, troubleshooting, and complete engine rebuild projects. Browse Mercury marine parts by system, including cooling, fuel delivery, electrical and ignition, internal engine components, lower unit parts, steering, trim, and routine service items.
Pro Marine USA carries Mercury outboard engine parts for a wide range of 2-stroke, FourStroke, EFI, Optimax, Pro XS, SeaPro, and Verado applications. Use your engine horsepower, model, serial number, or OEM part number whenever possible to confirm fitment before ordering.
Shop Mercury Outboard Parts by System
- Complete Powerheads
- Control Cables & Boxes
- Cooling System
- Cowlings & Components
- Electrical System
- Engine Oil
- Engine Rebuild Kits
- Fuel & Carburetion System
- Intake System
- Internal Engine Components
- Lower Unit Components
- Oiling System
- Paints
- Service & Oil Change Kits
- Service Manuals
- Steering Systems
- Throttle Components
- Transom & Midsection
- Trim System
- Wizard Performance Parts
Find the Correct Mercury Outboard Part
Mercury outboard parts can vary by horsepower, engine family, model year, and serial number range. If you are unsure which component fits your engine, use the OEM parts lookup to locate the original Mercury part number from an engine diagram.
Once you have the OEM part number, search Pro Marine to find available genuine Mercury and aftermarket replacement options.
Use Our OEM Parts Lookup »Common Mercury Outboard Engine Families
Pro Marine supports many Mercury outboard applications across a wide horsepower range. Always confirm the engine serial number and model information before ordering parts.
- Portable and Midrange: Mercury 2.5HP through 60HP 2-stroke and FourStroke applications
- FourStroke and EFI: common 75HP through 300HP Mercury EFI and FourStroke platforms
- Pro XS: performance-oriented Mercury Pro XS outboards across multiple engine families
- Optimax: direct-injected 2-stroke Mercury Optimax engines, commonly 75HP through 250HP
- Verado: supercharged and naturally aspirated Mercury Verado applications from 135HP through current high-horsepower platforms
- SeaPro: commercial-duty Mercury SeaPro outboards used in professional and high-hour applications
Common Mercury Outboard Repair Areas
- Overheating: inspect the water pump, impeller, thermostat, poppet valve, cooling passages, and related cooling components.
- Hard starting or rough running: inspect fuel pumps, filters, injectors or carburetors, spark plugs, coils, sensors, and intake components.
- No spark or intermittent ignition: check ignition coils, stators, switch boxes, trigger assemblies, sensors, grounds, and wiring.
- Low compression or power loss: inspect pistons, rings, cylinders, bearings, gaskets, reeds, and internal engine components.
- Lower unit noise or water intrusion: inspect seals, bearings, gears, shafts, bearing carriers, and gear lube condition.
- Trim or steering problems: inspect trim motors, pumps, hydraulic components, steering cylinders, hoses, and related rigging parts.
Why Buy Mercury Outboard Parts from Pro Marine USA?
- OEM Mercury and aftermarket replacement options for many common applications.
- Parts for maintenance, repair, engine rebuilding, lower units, electrical systems, fuel systems, steering, trim, and rigging.
- OEM diagram and part-number lookup tools to help identify the correct part before ordering.
- Dealer pricing available for qualified marine repair businesses and dealers.
- Large inventory of Mercury service parts and hard-to-find marine engine components.
- Fast weekday shipping on qualifying in-stock orders.
Frequently Asked Questions
How do I find the correct Mercury outboard part?
Use the engine horsepower, model, serial number, and year whenever available. Mercury frequently uses serial-number ranges to identify engine families, so the serial number is often the most reliable way to confirm fitment.
Can I search Mercury parts by OEM part number?
Yes. Enter the Mercury OEM part number 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.
Do Mercury outboard parts vary by serial number?
Yes. Many Mercury components change by serial-number range even within the same horsepower or model family. Always compare the serial range listed for the part with your engine before ordering.
Do you carry parts for Mercury Optimax and Verado engines?
Yes. Pro Marine carries parts for many Mercury Optimax, Verado, Pro XS, EFI, FourStroke, and SeaPro applications, including maintenance, fuel, electrical, cooling, internal engine, lower unit, steering, and rigging components.
Do you carry both OEM and aftermarket Mercury parts?
Yes. Pro Marine offers genuine Mercury parts along with aftermarket replacement parts for many common Mercury outboard maintenance, repair, and rebuild applications.
What Mercury outboard parts are commonly replaced during routine maintenance?
Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump kits, impellers, thermostats, gear lube, drain plug seals, anodes, and manufacturer-specific service kit components.
Fitment Tip: Mercury outboard parts often vary by serial-number range. Confirm your engine serial number and OEM part number whenever possible before ordering.
OEM Mercury 150HP EFI 100 Hour Service Kit
Mercury 150HP FourStroke EFI 100 Hour Kit - Serial 1B905505-Up
The Mercury 8M0094232 100 hour service kit is designed for Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 and higher.
This kit includes the routine 100 hour service components commonly replaced during scheduled maintenance. This version does not include engine oil.
Compatible Applications
| Brand | Horsepower | Engine Type | Serial Range |
|---|---|---|---|
| Mercury | 150HP | FourStroke EFI Outboard | 1B905505 & Higher |
This 100 hour service kit is for Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 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
This Mercury 150HP EFI service uses approximately 7 quarts of engine oil, or 1 gallon plus 3 quarts.
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury 10W30 | Mercury 10W30 Engine Oil - Quart | 7 quarts |
| Mercury 10W30 | Mercury 10W30 Engine Oil - Gallon | 1 gallon + 3 quarts |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Quart | 7 quarts |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Gallon | 1 gallon + 3 quarts |
| Mercury 10W30 Full Synthetic | Mercury 10W30 Full Synthetic - Gallon | 1 gallon + 3 quarts |
| Mercury 25W40 | Mercury 25W40 Engine Oil - Quart | 7 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Quart | 7 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Gallon | 1 gallon + 3 quarts |
Recommended Gear Lube
Gear Lube Requirement:
Mercury High Performance Gear Lube
Mercury High Performance Gear Lube - Quart
Always verify gearcase lubricant specifications and fill quantities in your Mercury owner's manual before servicing.
Complete Your Service
100 Hour Kit With 10W30 Oil
Mercury 150HP EFI 100 hour service kit with 10W30 oil for serial numbers 1B905505 and higher.
View Product
300 Hour Kit Without Oil
Mercury 300 hour service kit for compatible 150HP EFI outboards. Oil sold separately.
View Product
300 Hour Kit With 10W30 Oil
Mercury 300 hour service kit with 10W30 oil for compatible 150HP EFI outboards.
View Product
Mercury Aluminum Anode Kit
Aluminum anode kit for compatible Mercury 150HP EFI outboards. Helps protect against galvanic corrosion.
View ProductWhat This Service Kit is Used For
The Mercury 8M0094232 service kit is used for routine 100 hour maintenance on compatible Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 and higher.
Routine maintenance helps support fuel system cleanliness, oil filtration, gearcase service, and long-term engine reliability.
Key Features and Benefits
- OEM Mercury 100 hour service kit
- Fits Mercury 150HP FourStroke EFI outboards
- For serial numbers 1B905505 and higher
- Includes oil filter, fuel filter, and gearcase drain seal
- Does not include engine oil
- Pairs with Mercury 10W30 or 25W40 oil options
- Pairs with 300 hour service kits and aluminum anode kit
Service Kit Details
- Part Number: 8M0094232
- Application: Mercury 150HP FourStroke EFI Outboards
- Serial Range: 1B905505 & Higher
- Service Interval: 100 Hour Maintenance
- Oil Included: No
- Oil Capacity: Approximately 7 quarts
- Included Components: Oil filter, fuel filter, gearcase drain seal
FAQ
What engines does this service kit fit?
This kit fits Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 and higher.
Does this kit include oil?
No. This version does not include engine oil.
How much oil does the engine take?
This engine uses approximately 7 quarts, or 1 gallon plus 3 quarts.
Is there a version with oil included?
Yes. The 8M0094232-L kit with 10W30 oil is linked above.
Are there 300 hour kits for this engine?
Yes. Both 300 hour kits with and without oil are linked above.
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.
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
8M0094232, Mercury 150HP EFI service kit, Mercury 150HP FourStroke EFI service kit, Mercury 150HP 100 hour kit, Mercury 150HP serial 1B905505, Mercury 1B905505 and higher service kit, Mercury 150HP maintenance kit, Mercury EFI outboard maintenance, 8M0094232-L, 8M0094233, 8M0094233-L, Mercury 10W30 oil, Mercury 25W40 oil, 8M0107549, Mercury 150HP anode kit
OEM Mercury 150HP EFI 300 Hour Service Kit
Mercury 150HP FourStroke EFI 300 Hour Kit - Serial 1B905505-Present
The Mercury 8M0094233 300 hour service kit is designed for Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 and higher.
This complete OEM Mercury maintenance kit includes the major components commonly replaced during scheduled 300 hour service intervals. This version does not include engine oil or gear lube.
Compatible Applications
| Brand | Horsepower | Engine Type | Serial Range |
|---|---|---|---|
| Mercury | 150HP | FourStroke EFI Outboard | 1B905505 & Higher |
This service kit is designed for Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 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 Filters | Fuel system maintenance |
| Gearcase Drain Seals | Gearcase lubricant service |
| Spark Plugs (4) | Ignition system maintenance |
| Thermostat Kit | Cooling system maintenance |
| Water Pump Impeller Kit | Water pump service |
| Alternator Belt | Charging system maintenance |
| Anodes | Corrosion protection |
Oil Capacity & Recommended Oil Options
This Mercury 150HP EFI engine uses approximately 7 quarts of engine oil, or 1 gallon plus 3 quarts.
This kit does not include engine oil.
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury 10W30 | Mercury 10W30 Engine Oil - Quart | 7 quarts |
| Mercury 10W30 | Mercury 10W30 Engine Oil - Gallon | 1 gallon + 3 quarts |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Quart | 7 quarts |
| Mercury 10W30 Synthetic Blend | Mercury 10W30 Synthetic Blend - Gallon | 1 gallon + 3 quarts |
| Mercury 10W30 Full Synthetic | Mercury 10W30 Full Synthetic - Gallon | 1 gallon + 3 quarts |
| Mercury 25W40 | Mercury 25W40 Engine Oil - Quart | 7 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Quart | 7 quarts |
| Mercury 25W40 Synthetic Blend | Mercury 25W40 Synthetic Blend - Gallon | 1 gallon + 3 quarts |
Gear Lube Recommendations
This service requires approximately 1 quart of gear lube.
Mercury High Performance Gear Lube and Mercury Premium Gear Lube are both compatible options depending on your application and operating conditions.
| Gear Lube Type | Product | Quantity Required |
|---|---|---|
| Mercury High Performance Gear Lube | Mercury High Performance Gear Lube - Quart | 1 quart |
| Mercury Premium Gear Lube 80W90 | Mercury Premium Gear Lube - Quart | 1 quart |
Complete Your Service
300 Hour Kit With Oil & Gear Lube
Complete Mercury 300 hour kit with 10W30 oil and gear lube included.
View Product
Mercury Aluminum Anode Kit
OEM Mercury aluminum anode kit for corrosion protection on compatible 150HP EFI outboards.
View ProductWhat This Service Kit is Used For
The Mercury 8M0094233 service kit is used for major 300 hour maintenance on compatible Mercury 150HP FourStroke EFI outboards.
This service interval typically includes ignition system maintenance, cooling system service, water pump service, corrosion protection, oil filtration, and fuel system maintenance.
Key Features and Benefits
- OEM Mercury 300 hour service kit
- Fits Mercury 150HP FourStroke EFI outboards
- For serial numbers 1B905505 and higher
- Includes spark plugs, thermostat kit, impeller kit, and anodes
- Premium Mercury oil and fuel filters
- Heavy-duty corrosion-resistant filter housings
- Does not include oil or gear lube
- Compatible with Mercury 10W30 and 25W40 oils
Service Kit Details
- Part Number: 8M0094233
- Application: Mercury 150HP FourStroke EFI Outboards
- Serial Range: 1B905505 & Higher
- Service Interval: 300 Hour Maintenance
- Oil Included: No
- Gear Lube Included: No
- Oil Capacity: Approximately 7 quarts
- Gear Lube Capacity: Approximately 1 quart
FAQ
What engines does this service kit fit?
This kit fits Mercury 150HP FourStroke EFI outboards with serial numbers 1B905505 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 this engine use?
Approximately 7 quarts, or 1 gallon plus 3 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. The Mercury 8M0094233-L service kit includes 10W30 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.
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
8M0094233, Mercury 150HP 300 hour kit, Mercury 150HP EFI service kit, Mercury FourStroke maintenance kit, Mercury 150HP serial 1B905505, Mercury spark plug kit, Mercury thermostat kit, Mercury impeller kit, Mercury alternator belt, Mercury anode kit, Mercury Premium Gear Lube, Mercury High Performance Gear Lube, 8M0094233-L, 8M0107549
OEM Mercury 300-Hour Service Kit Without Oil
Mercury 8M0149931 Service Kit for 4.6L V8 CMS SeaPro & ProXS Outboards
The Mercury 8M0149931 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 kit includes the major 300-hour service replacement items in one box, including the oil filter, fuel filter, oil drain seal, spark plugs, thermostat, alternator belt, water pump repair kit, and anodes. Engine oil and gear lube are sold separately.
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 |
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
What is Not Included
- Engine oil is sold separately
- Gear lube is sold separately
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Mercury OEM | 8M0149931 |
| Related Kit With 10W30 Oil | 8M0149931-L |
| Application | 300-Hour V8 CMS Service Kit Without Oil |
Want the Kit With 10W30 Oil?
Some customers prefer the convenience of ordering the 300-hour kit with Mercury 10W30 engine oil included.
If you want the complete kit with 10W30 oil, see:
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
Choose Your Engine Oil & Gear Lube
This service kit does not include oil or gear lube, allowing customers to choose their preferred Mercury oil option.
Most applications use either 1 gallon plus 3 quarts or 7 individual quarts of engine oil, plus 1 quart of Mercury gear lube. Always verify fluid capacity in your owner’s manual.
| Oil Type | Size | Part Number | Link |
|---|---|---|---|
| Mercury FC-W 10W30 | 1 Quart | 858045K01 | View Product |
| Mercury FC-W 10W30 | 1 Gallon | 8M0078626 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Quart | 8M0142141 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Gallon | 8M0142151 | View Product |
| Mercury 25W40 | 1 Quart | 858048K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Quart | 858055K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Gallon | 8M0078630 | View Product |
| Mercury High Performance Gear Lube | 1 Quart | 858064K01 | View Product |
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
- Engine oil and gear lube sold separately
- Convenient all-in-one maintenance parts package
- Produced to Mercury OEM specifications
Service Kit Details
- Brand: Mercury / Quicksilver
- Part Number: 8M0149931
- Part Type: 300-Hour Service Kit Without Oil
- Application: Mercury 4.6L V8 CMS SeaPro and ProXS FourStroke Outboards
- Midsection: CMS / Conventional Mid Section
- Includes Oil: No
- Includes Gear Lube: No
- Quantity Sold: Kit
FAQ
What engines does Mercury 8M0149931 fit?
This kit fits Mercury 4.6L V8 CMS SeaPro and ProXS 4-stroke outboards.
Does this kit include engine oil?
No. This version does not include engine oil.
Does this kit include gear lube?
No. Gear lube is sold separately.
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, and anodes.
Is there a version with oil included?
Yes. Mercury 8M0149931-L includes the same 300-hour service kit with
10W30 engine oil.
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.
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, Mercury 300 hour service kit, Mercury V8 CMS service kit, Mercury 4.6L V8 service kit, Mercury SeaPro 300 hour kit, Mercury ProXS 300 hour kit, 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, 8M0149931-L, 8M0205953, 858045K01, 8M0078626, 8M0142141, 8M0142151, 858048K01, 858055K01, 8M0078630, 858064K01
OEM Mercury 300-Hour V6 Service Kit Without Oil
Mercury 8M0149930 Service Kit for 3.4L V6 FourStroke Outboards
The Mercury 8M0149930 300-Hour Service Kit is designed for Mercury 3.4L V6 FourStroke outboards.
This OEM Mercury maintenance package includes the major 300-hour service replacement components in one convenient box including the oil filter, fuel filter, oil drain seal, spark plugs, thermostat, alternator belt, anodes, and water pump repair kit. Engine oil and gear lube are sold separately.
Compatible Applications
| Engine Family | Engine Size | Engine Type | Application Notes |
|---|---|---|---|
| Mercury FourStroke | 3.4L V6 | FourStroke Outboards | Fits compatible Mercury 3.4L V6 FourStroke outboards |
Always verify your exact engine model and serial number before ordering maintenance kits or replacement service parts.
What is Included
- OEM Mercury oil filter
- OEM Mercury fuel filter
- Oil drain seal
- Spark plugs
- Thermostat
- Alternator belt
- Anodes
- Water pump repair kit
What is Not Included
- Engine oil is sold separately
- Gear lube is sold separately
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Mercury OEM | 8M0149930 |
| Related Kit With Oil | 8M0149930-L |
| Application | 300-Hour V6 Service Kit Without Oil |
Want the Kit With Oil & Gear Lube?
Some customers prefer the convenience of receiving the complete 300-hour service kit with Mercury 10W30 engine oil and gear lube included.
If you want the complete version with oil and gear lube, see:
Related Anode Kit
Mercury 3.4L V6 FourStroke outboards use the Mercury aluminum anode kit shown below.
For replacement aluminum anodes, see:
Mercury 8M0205955 Aluminum Anode Kit
Choose Your Engine Oil & Gear Lube
This service kit does not include engine oil or gear lube, allowing customers to choose their preferred Mercury oil option.
Most applications use either 1 gallon plus 3 quarts or 7 individual quarts of engine oil, plus 1 quart of Mercury gear lube. Always verify fluid capacity in your owner’s manual.
| Oil Type | Size | Part Number | Link |
|---|---|---|---|
| Mercury FC-W 10W30 | 1 Quart | 858045K01 | View Product |
| Mercury FC-W 10W30 | 1 Gallon | 8M0078626 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Quart | 8M0142141 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Gallon | 8M0142151 | View Product |
| Mercury 25W40 | 1 Quart | 858048K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Quart | 858055K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Gallon | 8M0078630 | View Product |
| Mercury High Performance Gear Lube | 1 Quart | 858064K01 | View Product |
What This Service Kit is Used For
This Mercury 300-hour maintenance kit is designed for scheduled service on compatible Mercury 3.4L V6 FourStroke outboards.
Regular maintenance helps support long-term reliability, cooling system performance, fuel system operation, 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 3.4L V6 FourStroke outboards
- Includes oil filter, fuel filter, and oil drain seal
- Includes spark plugs, thermostat, alternator belt, and water pump repair kit
- Includes aluminum anodes
- Engine oil and gear lube sold separately
- Convenient all-in-one maintenance package
- Produced to Mercury OEM specifications
Service Kit Details
- Brand: Mercury / Quicksilver
- Part Number: 8M0149930
- Part Type: 300-Hour Service Kit Without Oil
- Application: Mercury 3.4L V6 FourStroke Outboards
- Includes Oil: No
- Includes Gear Lube: No
- Quantity Sold: Kit
FAQ
What engines does Mercury 8M0149930 fit?
This kit fits Mercury 3.4L V6 FourStroke outboards.
Does this kit include engine oil?
No. This version does not include engine oil.
Does this kit include gear lube?
No. Gear lube is sold separately.
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,
and anodes.
Which anode kit goes with this engine?
This application uses Mercury aluminum anode kit 8M0205955.
Is there a version with oil and gear lube included?
Yes. Mercury 8M0149930-L includes the same 300-hour maintenance parts
with Mercury 10W30 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.
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
8M0149930, Mercury V6 300 hour service kit, Mercury 3.4L V6 maintenance kit, Mercury FourStroke 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 oil filter fuel filter kit, Mercury 10W30 oil, Mercury gear lube, 8M0149930-L, 8M0205955
OEM Mercury 300-Hour Verado Service Kit Without Oil
Mercury 8M0149932 Service Kit for 4.6L V8 Verado & Verado SeaPro Outboards
The Mercury 8M0149932 300-Hour Service Kit is designed for Mercury 4.6L V8 Verado and Verado SeaPro outboards using the AMS (Advanced MidSection).
This OEM Mercury maintenance package includes the major 300-hour replacement components in one convenient box including the oil filter, fuel filter, oil drain seal, spark plugs, thermostat, alternator belt, anodes, and water pump repair kit. Engine oil and gear lube are sold separately.
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 |
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
What is Not Included
- Engine oil is sold separately
- Gear lube is sold separately
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Mercury OEM | 8M0149932 |
| Related Kit With Oil | 8M0149932-L |
| Application | 300-Hour Verado AMS Service Kit Without Oil |
Want the Kit With Oil & Gear Lube?
Some customers prefer the convenience of receiving the complete 300-hour service kit with Mercury 10W30 engine oil and gear lube included.
If you want the complete version with oil and gear lube, see:
Mercury 8M0149932-L 300-Hour Verado AMS Service Kit With 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
Choose Your Engine Oil & Gear Lube
This service kit does not include engine oil or gear lube, allowing customers to choose their preferred Mercury oil option.
Most applications use either 1 gallon plus 3 quarts or 7 individual quarts of engine oil, plus 1 quart of Mercury gear lube. Always verify fluid capacity in your owner’s manual.
| Oil Type | Size | Part Number | Link |
|---|---|---|---|
| Mercury FC-W 10W30 | 1 Quart | 858045K01 | View Product |
| Mercury FC-W 10W30 | 1 Gallon | 8M0078626 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Quart | 8M0142141 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Gallon | 8M0142151 | View Product |
| Mercury 25W40 | 1 Quart | 858048K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Quart | 858055K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Gallon | 8M0078630 | View Product |
| Mercury High Performance Gear Lube | 1 Quart | 858064K01 | View Product |
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
- Engine oil and gear lube sold separately
- Convenient all-in-one maintenance package
- Produced to Mercury OEM specifications
Service Kit Details
- Brand: Mercury / Quicksilver
- Part Number: 8M0149932
- Part Type: 300-Hour Service Kit Without Oil
- Application: Mercury 4.6L V8 Verado & Verado SeaPro AMS Outboards
- Midsection: AMS / Advanced MidSection
- Includes Oil: No
- Includes Gear Lube: No
- Quantity Sold: Kit
FAQ
What engines does Mercury 8M0149932 fit?
This kit fits Mercury 4.6L V8 Verado and Verado SeaPro AMS outboards.
Does this kit include engine oil?
No. This version does not include engine oil.
Does this kit include gear lube?
No. Gear lube is sold separately.
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,
and AMS anodes.
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 with oil and gear lube included?
Yes. Mercury 8M0149932-L includes the same 300-hour maintenance parts
with Mercury 10W30 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.
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, 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, Mercury gear lube, 8M0149932-L, 8M0205955
OEM Mercury 75-115HP 1.7L 100 Hour Service Kit With Oil & Gear Lube
Mercury 75-115HP 1.7L 100 Hour Kit - Serial 1B366823-2B094995
The Mercury 8M0097856-L 100 hour service kit is designed for Mercury 75HP, 90HP, and 115HP 1.7L FourStroke outboards with serial numbers 1B366823 through 2B094995.
This OEM Mercury maintenance kit includes the routine 100 hour service components along with Mercury 10W30 engine oil and Mercury gear lube for complete scheduled maintenance.
Compatible Applications
| Brand | Horsepower | Engine Type | Serial Range |
|---|---|---|---|
| Mercury | 75HP, 90HP, 115HP | 1.7L FourStroke Outboard | 1B366823-2B094995 |
This 100 hour service kit is for Mercury 75-115HP 1.7L FourStroke outboards with serial numbers 1B366823 through 2B094995.
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 |
| Oil Drain Seal | Engine oil drain service |
| Gearcase Drain Seals | Gearcase lubricant service |
| Mercury 10W30 Engine Oil | 1 gallon plus 2 quarts included |
| Mercury Gear Lube | Gearcase lubricant included |
Oil & Gear Lube Included
Engine oil included: Mercury 10W30 engine oil - 1 gallon plus 2 quarts.
Gear lube included: Mercury gear lube for gearcase service.
Want to Use a Different Oil?
100 Hour Kit Without Oil & Gear Lube
Some customers prefer using a different oil viscosity, synthetic blend, full synthetic oil, or already have oil and gear lube on hand. The standard Mercury 8M0097856 100 hour service kit without oil or gear lube is available separately.
View Kit Without OilComplete Your Service
300 Hour Kit Without Oil
Mercury 300 hour service kit for compatible 75-115HP 1.7L outboards. Oil and gear lube sold separately.
View Product
300 Hour Kit With Oil & Gear Lube
Complete Mercury 300 hour service kit with 10W30 oil and gear lube for compatible 75-115HP 1.7L outboards.
View Product
Side Pocket Anode Kit
Aluminum side pocket anode kit used in this application. Quantity used: 2.
View Product
Transom Anode Bar Kit
Aluminum transom anode bar kit used in this application. Quantity used: 1.
View Product
Mercury Aluminum Anode Kit
Complete aluminum anode kit option for compatible Mercury outboards. Helps protect against galvanic corrosion.
View ProductWhat This Service Kit is Used For
The Mercury 8M0097856-L service kit is used for routine 100 hour maintenance on compatible Mercury 75-115HP 1.7L FourStroke outboards with serial numbers 1B366823 through 2B094995.
This maintenance interval helps support oil filtration, fuel system maintenance, gearcase lubricant service, and long-term engine reliability.
Key Features and Benefits
- OEM Mercury 100 hour service kit
- Fits Mercury 75-115HP 1.7L FourStroke outboards
- For serial numbers 1B366823 through 2B094995
- Includes oil filter, fuel filter, oil drain seal, and gearcase drain seals
- Includes Mercury 10W30 engine oil
- Includes Mercury gear lube
- Convenient all-in-one maintenance package
- Pairs with 300 hour service kits and anode kits
Service Kit Details
- Part Number: 8M0097856-L
- Base Mercury Kit Number: 8M0097856
- Application: Mercury 75-115HP 1.7L FourStroke Outboards
- Serial Range: 1B366823-2B094995
- Service Interval: 100 Hour Maintenance
- Oil Included: Yes - Mercury 10W30
- Oil Quantity Included: 1 gallon plus 2 quarts
- Gear Lube Included: Yes
FAQ
What engines does this service kit fit?
This kit fits Mercury 75-115HP 1.7L FourStroke outboards with serial numbers 1B366823 through 2B094995.
Does this kit include engine oil?
Yes. This version includes Mercury 10W30 engine oil.
How much oil is included?
This kit includes 1 gallon plus 2 quarts of Mercury 10W30 engine oil.
Does this kit include gear lube?
Yes. Mercury gear lube is included for the gearcase service.
Is there a version without oil and gear lube?
Yes. The Mercury 8M0097856 kit without oil and gear lube is linked above.
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.
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
8M0097856-L, 8M0097856, Mercury 75HP service kit, Mercury 90HP service kit, Mercury 115HP service kit, Mercury 75-115HP 100 hour kit, Mercury 1.7L FourStroke service kit, Mercury serial 1B366823, Mercury serial 2B094995, Mercury 10W30 oil, Mercury gear lube, Mercury Premium Gear Lube, Mercury High Performance Gear Lube, 8M0097857, 8M0097857-L, 6068K, 6249K, 8M0107549
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 complete version includes Mercury 10W30 engine oil and Mercury High Performance gear lube.
Compatible Applications
| Engine Platform | Horsepower Range | Serial Range | Application Notes |
|---|---|---|---|
| Mercury L6 Verado | 200HP-400HP | 2B144123-Up | Select L6 FourStroke Verado outboards |
Some customers prefer Mercury 25W40 or synthetic blend oil depending on operating conditions, climate, or personal maintenance preferences.
In that case, you can order the maintenance kit version without oil and gear lube, then choose the exact lubricants you prefer separately.
View Service Kit Without 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 |
| 2 | Mercury SAE 10W30 Engine Oil Gallons | Engine lubrication service |
| 2 | Mercury High Performance Gear Lube Quarts | Gearcase lubrication service |
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.
The included Mercury 10W30 engine oil and High Performance gear lube help simplify routine maintenance by providing the lubricants required for complete engine and gearcase service.
Regular maintenance helps support fuel system cleanliness, engine lubrication performance, cooling system reliability, and long-term offshore durability.
Replacing filters, lubricants, and service components at recommended intervals helps reduce engine wear and maintain dependable performance.
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 Mercury SAE 10W30 engine oil
- Includes Mercury High Performance gear lube
- Includes OEM Mercury maintenance components
- Designed for complete scheduled maintenance service
- Convenient all-in-one maintenance package
Service Kit Details
- Kit Part Number: 8M0120657-L
- Brand: Mercury Marine
- Application: Mercury L6 Verado 200HP-400HP
- Serial Range: 2B144123-Up
- Service Interval: 100 Hour Maintenance
- Oil Included: Yes - Mercury SAE 10W30
- Gear Lube Included: Yes - Mercury High Performance Gear Lube
- Engine Platform: L6 Verado FourStroke
Recommended Verado Anode Kits
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
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 ProductFAQ
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?
Yes. This kit includes Mercury SAE 10W30 engine oil.
Does this kit include gear lube?
Yes. Mercury High Performance Gear Lube is included.
What if I want Mercury 25W40 oil instead?
Customers wanting a different oil type can order the version of this service kit without lubricants and select their preferred Mercury oil separately.
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.
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-L, 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, Mercury 10W30 oil kit, Mercury gear lube maintenance kit
OEM Mercury 100-Hour Service Kit Without Oil
Mercury 8M0149929 Service Kit for 175HP-300HP V6 & V8 Outboards
The Mercury 8M0149929 100-Hour Service Kit is designed for newer Mercury 3.4L V6 and 4.6L V8 175HP-300HP FourStroke outboards.
This OEM Mercury maintenance kit includes the required 100-hour replacement items in one box, including the oil filter, fuel filter, and gearcase drain seals. Engine oil and gear lube are sold separately, allowing customers to choose their preferred Mercury oil option.
Compatible Applications
| Engine Family | Horsepower | Engine Size | Application Notes |
|---|---|---|---|
| Mercury FourStroke | 175HP-225HP | 3.4L V6 | Fits new-generation Mercury V6 FourStroke outboards |
| Mercury FourStroke | 225HP-300HP | 4.6L V8 | Fits new-generation Mercury V8 FourStroke outboards |
Most applications use either 1 gallon plus 3 quarts of engine oil or 7 individual quarts, plus 1 quart of Mercury gear lube.
Always verify the correct oil capacity and oil recommendation for your exact engine model.
What is Included
- OEM Mercury oil filter
- OEM Mercury fuel filter
- Gearcase drain plug seals
What is Not Included
- Engine oil is sold separately
- Gear lube is sold separately
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Mercury OEM | 8M0149929 |
| Related Kit With Oil & Gear Lube | 8M0149929-L |
| Application | 100-Hour Service Kit Without Oil |
Want the Kit With Oil and Gear Lube?
Some customers prefer the convenience of receiving the service kit with Mercury 10W30 engine oil and gear lube already included.
If you want the complete kit with oil and lube, see:
Mercury 8M0149929-L 100-Hour Service Kit With Oil & Gear Lube
Choose Your Engine Oil & Gear Lube
This service kit does not include oil or gear lube, allowing customers to choose their preferred Mercury oil option.
Most applications use either 1 gallon plus 3 quarts or 7 individual quarts of engine oil, plus 1 quart of Mercury gear lube.
| Oil Type | Size | Part Number | Link |
|---|---|---|---|
| Mercury FC-W 10W30 | 1 Quart | 858045K01 | View Product |
| Mercury FC-W 10W30 | 1 Gallon | 8M0078626 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Quart | 8M0142141 | View Product |
| Mercury 10W30 Synthetic Blend | 1 Gallon | 8M0142151 | View Product |
| Mercury 25W40 | 1 Quart | 858048K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Quart | 858055K01 | View Product |
| Mercury 25W40 Synthetic Blend | 1 Gallon | 8M0078630 | View Product |
| Mercury High Performance Gear Lube | 1 Quart | 858064K01 | View Product |
Choose the Correct Anode Kit
These engines use different anode kits depending on whether your outboard has a CMS (Conventional MidSection) or AMS (Advanced MidSection) configuration.
CMS Midsection Anode Kit
Fits compatible Mercury CMS V6/V8 and Racing outboards.
AMS Midsection Anode Kit
Fits compatible Mercury 4.6L V8 Verado AMS and V8 Racing outboards.
Complete Your Service
FAQ
What engines does Mercury 8M0149929 fit?
This kit fits newer Mercury 3.4L V6 175-225HP and 4.6L V8 225-300HP FourStroke outboards.
Does this kit include engine oil?
No. This version does not include engine oil.
How much oil does this service require?
Most applications use either 1 gallon plus 3 quarts or 7 individual quarts of engine oil.
Does this kit include gear lube?
No. Gear lube is sold separately. Most applications use 1 quart of Mercury gear lube.
Is there a version with oil included?
Yes. Mercury 8M0149929-L includes Mercury 10W30 engine oil and gear lube.
Which anode kit should I use?
CMS models use 8M0205953. AMS / Verado AMS applications use 8M0205955.
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.
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
8M0149929, Mercury 100 hour service kit, Mercury V6 service kit, Mercury V8 service kit, Mercury 175HP maintenance kit, Mercury 225HP maintenance kit, Mercury 250HP maintenance kit, Mercury 300HP maintenance kit, Mercury FourStroke maintenance, Mercury oil filter kit, Mercury fuel filter kit, Mercury service kit without oil, Mercury 10W30 oil, Mercury 25W40 oil, Mercury gear lube, 8M0149929-L, 8M0205953, 8M0205955
Genuine Mercury Marine Neutral Safety / Shift Switch
Mercury MerCruiser OEM Neutral Safety / Shift Switch - 8M0052939
Mercury Marine 8M0052939 is a genuine OEM neutral safety / shift position switch used across a wide range of Mercury outboard, Verado, Pro XS, racing and MerCruiser applications.
Mercury has superseded 8M0052939 to current OEM part number 8M0207794. The newer number is the current Mercury replacement for applications that originally called for 8M0052939.
Additional cross references include 814281A7, 889514A01 and 879150T94. Pro Marine also offers an aftermarket version for the same compatible applications.
Part Type: Neutral Safety / Shift Position Switch
Manufacturer: Mercury Marine
OEM or Aftermarket: Genuine OEM
Applications: Mercury Outboard and MerCruiser
Outboard Families: Mercury, Mariner, Verado, Pro XS and Racing
MerCruiser Applications: Sterndrive, Inboard and TowSports
Original OEM #: 8M0052939
Current Replacement #: 8M0207794
Mercury Marine has superseded 8M0052939 to 8M0207794.
If you order the current genuine Mercury replacement, the part may arrive under OEM number 8M0207794 and may look slightly different from an older 8M0052939 switch while serving the same specified replacement application.
Compatible Applications
Mercury 8M0052939 / 8M0207794 is used in a broad range of Mercury Marine shift systems. The supplied Mercury fitment includes outboard, Verado, Pro XS, racing, sterndrive, inboard and TowSports applications.
Because the same switch is used across several different engine and shift systems, always verify the model, serial number and OEM part number.
Mercury / Mariner 3.0L Outboards
| Model | Serial Range |
|---|---|
| 200 HP 3.0L | 0T750164 thru 0T800999; 0T801000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 2B528096 |
| 225 HP 3.0L | 0T409000 thru 0T800999; 0T801000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 2B528096 |
| 250 HP 3.0L | 0T409000 thru 0T800999; 0T801000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 2B528096 |
| 3.0L Marathon | 0T409000 thru 0T800999 |
| 3.0L SeaPro | 0T409000 thru 0T800999 |
| 225 HP 3.0L Marathon | 0T801000 thru 1B417701 |
| 225 HP 3.0L SeaPro | 0T801000 thru 1B417701 |
Mercury DFI, Pro XS and Sport XS Applications
| Model | Serial Range |
|---|---|
| 200 HP DFI 3.0L | 0T980000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 1B912785; 1B912786 thru 2B535571 |
| 225 HP DTS 3.0L | 0T599000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 1B964735 |
| 200 HP DTS 3.0L | 0T980000 thru 1B417701; 1B417702 thru 1B504988; 1B504989 thru 1B964735 |
| 200 HP Pro XS 3.0L | 1B504989 thru 1B912785; 1B912786 thru 2B535571 |
| 225 HP Pro XS 3.0L | 1B104549 thru 1B426560; 1B426561 thru 1B752546; 1B752547 thru 2B535608 |
| 250 HP Pro XS 3.0L | 1B752547 thru 2B535608 |
| 250 HP XS 3.0L | 0T615945 thru 0T818042; 0T818043 thru 0T997973; 0T997974 thru 1E000796; 1E000797 thru 1E002341; 1E002342 thru 1E051113; 1E053158 thru 1E053958 |
| 250 HP Sport XS 2.5L | 1E002342 thru 1E051823; 1E051824 thru 1E052994 |
| 225 HP Sport XS 2.5L | 1E002584 thru 1E050825 |
| 225 HP XS 2.5L | 1E002584 thru 1B792195 |
Mercury Racing and Special Performance Applications
| Model | Serial Range |
|---|---|
| 300X 3.0L Pro Max | 0T429940 thru 0T999587 |
| 300 HP XS 6 Cyl 3.2L | 1E001867 thru 1E052057; 1E052058 thru 1E053987 |
| 200 HP XS 6 Cyl 2.5L | 1E000797 thru 1E002110 |
| 200 HP XS 2.5L ROS | 1E050852 thru 1E053876 |
| 200 HP XS SST 2.5L | 1E050629 thru 1E053875 |
| 2.5XS 2.5L | 0T997974 thru 1E000796 |
| JP 3.0L | 0T997974 thru 1E003045; 1E003046 thru 1E052824 |
| 110 Jet 2.5L | 1B690542 thru 1B974227 |
| 150 HP Pro XS 2.5L | 1B690542 thru 2B535572 |
Mercury V6 2.5L Applications
| Model | Serial Range |
|---|---|
| 135 HP V6 2.5L | 1B227000 thru 1B417701; 1B417702 thru 1B737495 |
| 150 HP V6 2.5L | 1B227000 thru 1B417701; 1B417702 thru 1B580029 |
| 175 HP V6 2.5L | 1B227000 thru 1B417701; 1B417702 thru 1B508457 |
Mercury Verado Applications
| Model | Serial Range |
|---|---|
| 135 HP EFI Verado 4 Cyl | 1B227000 thru 1B381711; 1B381712 thru 1B517158; 1B517159 thru 2B576734; Belgium 0P419487 thru 0P464487, 0P464488 thru 0P514868, 0P514869 thru 0P593020 |
| 150 HP EFI Verado 4 Cyl | 1B227000 thru 1B381711; 1B381712 thru 1B517158; 1B517159 thru 2B576734; Belgium 0P419487 thru 0P464487, 0P464488 thru 0P514868, 0P514869 thru 0P593020 |
| 175 HP EFI Verado 4 Cyl | 1B227000 thru 1B381711; 1B381712 thru 1B517158; 1B517159 thru 2B576734; Belgium 0P419487 thru 0P464487, 0P464488 thru 0P514868, 0P514869 thru 0P593020 |
| 200 HP Verado 4 Cyl | 1B517159 thru 2B576734; Belgium 0P514869 thru 0P593020 |
| 200 HP Verado 6 Cyl | 0T980000 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 Cyl | 0T980000 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 Cyl | 0T980000 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 Cyl | 0T980000 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 Cyl | 1B517434 thru 2B144122; Belgium 0P520553 thru 2B144122 |
| 350 HP SCi Verado | 1B716557 thru 2B143542 |
| 200 HP Pro Verado 6 Cyl | 2B034840 thru 2B144122 |
| 250 HP Pro Verado 6 Cyl | 1B830170 thru 2B144122 |
| 300 HP Pro Verado 6 Cyl | 1B830170 thru 2B144122 |
Mercury 75-115 HP EFI Applications
| Model | Serial Range |
|---|---|
| 75 HP EFI | 1B366823 thru 2B094995 |
| 80 HP EFI | 1B366823 thru 2B094995; Belgium 0P459572 thru 2B094995 |
| 90 HP EFI | 1B366823 thru 2B094995 |
| 100 HP EFI | 1B366823 thru 2B094995; Belgium 0P459572 thru 2B094995 |
| 115 HP EFI | 1B366823 thru 2B094995 |
MerCruiser Sterndrive Applications
| 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; later applications shown |
| 5.0L MPI Alpha / Bravo | 0W310000 thru 0W649999; 0W650000 thru 1A299999; 1A300000 thru 1A611927; 1A611928 thru 1A623184; later applications shown |
| 5.0L MPI Alpha / Bravo EC | 1A300000 thru 1A611927; 1A611928 thru 1A623184; later applications shown |
| 350 MAG MPI Alpha / Bravo | 0W310000 thru 0W649999; 0W650000 thru 1A299999; 1A300000 thru 1A611927; 1A611928 thru 1A623184; later applications shown |
| 350 MAG MPI Horizon Alpha / Bravo | 0W310000 thru 0W649999; 0W650000 thru 1A299999; 1A300000 thru 1A611927; 1A611928 thru 1A623184; later applications shown |
| 350 MAG MPI Alpha / Bravo EC | 1A300000 thru 1A611927; 1A611928 thru 1A623184; later applications shown |
| 377 MAG MPI Bravo / Bravo EC | 1A300000 / 1A343300 thru 1A611927; 1A611928 thru 1A623184; later applications shown |
| MX 6.2L MPI Bravo / Horizon Bravo | 0W310000 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 EFI | 0M967821 and later applications shown |
| 520 | 0M970122 and later applications shown |
| 540 | 0M970866 and later applications shown |
Mercury Diesel / CMD Applications
| Model | Application |
|---|---|
| CMD QSD 2.0 ES 115 / 130 / 150 / 170 | Select sterndrive and inboard / TowSports applications |
| CMD QSD 2.8 ES 170 / 210 / 220 / 230 | Select sterndrive and inboard / TowSports applications |
| CMD QSD 4.2 ES 270 / 320 / 350 | Select sterndrive and inboard / TowSports applications |
| TDI 4.2L 335 MIE / MCM | CMC000200 and later applications shown |
| TDI 4.2L 370 MIE / MCM | CMC000200 and later applications shown |
| 3.0L TDI 100 SD | All serials shown |
| 3.0L TDI 230 SD / IB | All serials shown |
| 3.0L TDI 260 SD / IB | All serials shown |
This switch is used in many different Mercury Marine engine and shift systems.
Do not determine fitment by horsepower alone.
Verify your exact engine model, serial number and original OEM switch number before ordering. Depending on the application, Mercury may show this switch in throttle linkage, shift linkage, upper shift components, DTS shift brackets or shift actuator assemblies.
OEM and Cross Reference Numbers
| Type | Part Number | Status |
|---|---|---|
| Mercury Marine OEM | 8M0207794 | Current OEM Replacement |
| Mercury Marine OEM | 8M0052939 | Superseded to 8M0207794 |
| Mercury Marine OEM | 889514A01 | Previous OEM Number |
| Mercury Marine OEM | 814281A7 | Previous OEM Number |
| Mercury Cross Reference | 879150T94 | Cross Reference |
Pro Marine Replacement Available
Pro Marine also stocks an aftermarket replacement switch for the same compatible Mercury Marine applications.
Choose between the genuine Mercury OEM switch and the Pro Marine 52939P aftermarket replacement.
View Pro Marine 52939P Neutral Safety SwitchWhat 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.
On applications where it serves as a neutral safety switch, it is part of the starting-safety circuit that helps prevent the engine from starting while the transmission or gearcase is in gear.
Mercury also uses this switch in several mechanical and Digital Throttle and Shift (DTS) systems, which is why the same OEM switch appears in outboard, sterndrive, inboard and diesel applications.
Common Symptoms of a Neutral Safety or Shift Switch Problem
- Engine will not crank even though the control is in neutral
- Intermittent no-crank condition
- Engine starts only when the control lever is moved slightly
- Incorrect or inconsistent shift-position indication
- DTS or shift-related fault after other causes have been eliminated
- Physical damage to the switch or actuator
- Corrosion or damage at the electrical connector
These symptoms can also be caused by wiring, linkage adjustment, control-box problems or other starting-system components. 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.
- Inspect the electrical connector and wiring for corrosion or damage.
- Inspect mechanical shift linkage for wear or improper adjustment.
- Install and adjust the switch according to Mercury service procedures.
- Verify proper forward, neutral and reverse operation after installation.
- Where applicable, verify the engine starts only in neutral.
- On DTS applications, follow the appropriate Mercury diagnostic procedure.
Key Features and Benefits
- Genuine Mercury Marine OEM component
- Mercury item number 8M0052939
- Current Mercury replacement number 8M0207794
- Fits numerous Mercury and Mariner outboard applications
- 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
- Replaces earlier Mercury 889514A01 and 814281A7 numbers
- Pro Marine aftermarket version also available
FAQ
Is 8M0052939 a genuine Mercury part?
Yes. This listing is for the genuine Mercury Marine OEM
switch.
What replaced Mercury 8M0052939?
Mercury has superseded 8M0052939 to 8M0207794.
Will 8M0207794 replace 8M0052939?
Yes. 8M0207794 is the current Mercury functional replacement for
8M0052939.
Does this replace 889514A01?
Yes. 889514A01 is an earlier Mercury part number in the
replacement family.
Does this replace 814281A7?
Yes. 814281A7 is also an earlier Mercury number in the
replacement chain.
Does this switch fit Mercury Verado?
Yes. The supplied fitment includes many
135-350 HP Verado applications, including 4-cylinder,
6-cylinder and Pro Verado models. Verify the serial range above.
Does it fit Mercury Pro XS?
Yes. The supplied Mercury data includes multiple Pro XS applications,
including 2.5L and 3.0L models.
Does 8M0052939 fit MerCruiser?
Yes. The supplied Mercury fitment includes multiple MerCruiser
sterndrive, inboard and TowSports applications, including 496 MAG,
5.0L MPI, 350 MAG, 377 MAG, 8.2L and CMD / TDI diesel models.
Is this strictly a neutral safety switch?
It is commonly used as a neutral safety / shift position switch, but
Mercury uses the same switch in several different mechanical and DTS
shift assemblies depending on the application.
Can I determine fitment by horsepower alone?
No. This switch covers many different Mercury engine families.
Verify the model, serial number and OEM part number
before ordering.
Do you carry an aftermarket version?
Yes. Pro Marine also stocks the
Pro Marine 52939P Neutral Safety 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.
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
8M0052939, 8M0207794, 87-8M0052939, 87-8M0207794, 889514A01, 814281A7, 879150T94
Searchable Terms
Mercury OEM neutral safety switch, Mercury neutral switch, Mercury shift switch, Mercury shift position switch, Mercury outboard neutral safety switch, Mercury Pro XS shift switch, Mercury Verado shift switch, Verado neutral safety switch, Mercury DTS shift switch, MerCruiser neutral safety switch, MerCruiser shift switch, MerCruiser DTS switch, 8M0052939 switch, 8M0207794 switch
8M0207794
814281A7
889514A01
Mercury 9.9-20HP 100 Hour Service Kit With Oil and Gear Lube
Mercury 100 hour maintenance kit with engine oil and gear lube for select Mercury 9.9HP FourStroke and 10-20HP EFI FourStroke outboards. This kit includes the common filters, O-rings, drain washer, 2 quarts of Mercury 10W30 FC-W engine oil, and 1 quart of Mercury High Performance gear lube.
Oil and Gear Lube Included
This complete 100 hour service kit includes the required fluids for the listed Mercury 9.9HP and 10-20HP EFI applications.
Compatible Applications
Always verify your model, horsepower, and serial number before ordering service parts.
What is Included
Parts 8M0188617 and 8M0075255 are not stocked and may be available by special order.
Other Kit Options Available
100 Hour Kit Without Oil and Gear Lube
Some customers already have oil and gear lube, prefer a different oil weight, or want to purchase fluids separately. This version includes the service parts without fluids.
View Kit Without Oil
300 Hour Kit Without Oil and Gear Lube
Step up to the 300 hour service kit for aligned Mercury 9.9HP and 10-20HP EFI applications when fluids are purchased separately.
View 300 Hour Kit
300 Hour Kit With Oil and Gear Lube
Complete 300 hour service kit option with the required oil and gear lube included for the same aligned Mercury applications.
View 300 Hour Kit With OilWhat This Kit is Used For
Mercury service kit 8M0151469-1 is used for routine 100 hour maintenance on compatible Mercury four stroke outboards. Replacing the oil filter, fuel filter components, fuel bowl O-ring, oil drain washer, engine oil, and gear lube helps support clean fuel delivery, proper lubrication, and dependable lower unit protection.
This kit is a convenient choice for customers who want the main 100 hour service parts and the recommended fluids packaged together.
Key Features and Benefits
Includes 2 quarts of Mercury 10W30 FC-W engine oil and 1 quart of High Performance gear lube.
Includes common filter and sealing components used during scheduled service.
Fits listed Mercury 9.9HP and 10-20HP EFI four stroke serial ranges.
Individual kit contents are linked above for easy replacement or kit customization.
FAQ
Does this Mercury 100 hour kit include oil?
Yes. This kit includes 2 quarts of Mercury 4-Stroke FC-W 10W30 engine oil.
Does this kit include gear lube?
Yes. This kit includes 1 quart of Mercury / Quicksilver High Performance gear lube.
What engines does 8M0151469-1 fit?
This kit fits select Mercury 9.9HP FourStroke engines serial number 1R008146-1R278792 and Mercury 10-20HP EFI FourStroke engines serial number 0R833820-Present.
Is there a version without oil and gear lube?
Yes. Customers who already have fluids or prefer a different oil weight can use the 8M0151469 100 Hour Service Kit Without Oil.
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.
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.
- 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
8M0151469-1, 8M0151469, 8M0151470, 8M0151470-1, 822626Q03, 8M0134466, 8537331, 8518151, 895146, 858045K01, HPLUBEQT, 8M0188617, 8M0075255, Mercury 100 hour service kit with oil, Mercury 300 hour service kit, Mercury 9.9 service kit, Mercury 10HP service kit, Mercury 15HP service kit, Mercury 20HP EFI service kit
Mercury 9.9-20HP 300 Hour Service Kit With Oil and Gear Lube
Mercury 300 hour maintenance kit with engine oil and gear lube for select Mercury 9.9HP FourStroke and 10-20HP EFI FourStroke outboards. This complete kit includes filters, O-rings, seals, thermostat components, spark plugs, anodes, a water pump repair kit, 2 quarts of Mercury 10W30 FC-W engine oil, and 1 quart of Mercury High Performance gear lube.
Oil and Gear Lube Included
This complete 300 hour service kit includes the required fluids for the listed Mercury 9.9HP and 10-20HP EFI applications.
Compatible Applications
Always verify your model, horsepower, and serial number before ordering service parts.
What is Included
Other Kit Option Available
300 Hour Kit Without Oil and Gear Lube
Some customers already have oil and gear lube, prefer a different oil weight, or want to purchase fluids separately. This version includes the 300 hour service parts without fluids.
View Kit Without OilWhat This Kit is Used For
Mercury service kit 8M0151470-1 is used for scheduled 300 hour maintenance on compatible Mercury four stroke outboards. This kit includes fuel and oil service parts, lower unit drain plug seals, thermostat service parts, spark plugs, zinc anodes, a water pump repair kit, engine oil, and gear lube.
This complete version is ideal for customers who want the main 300 hour service parts and the required fluids packaged together for one convenient service order.
Key Features and Benefits
Includes scheduled service parts plus engine oil and gear lube.
Includes 2 quarts of Mercury 10W30 FC-W oil and 1 quart of High Performance gear lube.
Includes water pump repair kit 8M0135821 for 300 hour maintenance.
Fits listed Mercury 9.9HP and 10-20HP EFI four stroke serial ranges.
FAQ
Does this Mercury 300 hour kit include oil?
Yes. This kit includes 2 quarts of Mercury 4-Stroke FC-W 10W30 engine oil.
Does this kit include gear lube?
Yes. This kit includes 1 quart of Mercury / Quicksilver High Performance gear lube.
What engines does 8M0151470-1 fit?
This kit fits select Mercury 9.9HP FourStroke engines serial number 1R008146-1R278792 and Mercury 10-20HP EFI FourStroke engines serial number 0R833820-Present.
Is there a version without oil and gear lube?
Yes. Customers who already have fluids or prefer a different oil weight can use the 8M0151470 300 Hour Service Kit Without Oil.
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.
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.
- 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
8M0151470-1, 8M0151470, 822626Q03, 8M0134466, 8537331, 8518151, 895146, 8M0082880, 8M0139434, 8M0214960, DCPR6E, 4525, 875208P, 8M0135821, 858045K01, HPLUBEQT, Mercury 300 hour service kit with oil, Mercury 9.9 service kit, Mercury 10HP service kit, Mercury 15HP service kit, Mercury 20HP EFI service kit