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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.
8M0012298
812876
Mercury Verado L4 100 Hour Service Kit
Mercury Verado 1.7L Inline 4 FourStroke Maintenance Kit
This Mercury Verado L4 100 hour service kit contains the routine maintenance components needed for compatible Mercury Verado 135HP-200HP 1.7L Inline 4 FourStroke outboards.
Designed for scheduled 100 hour maintenance service on compatible Mercury Verado L4 1.7L applications. This version does NOT include engine oil or gear lube.
Compatible Applications
| Engine Platform | Horsepower Range | Displacement | Application Notes |
|---|---|---|---|
| Mercury Verado L4 | 135HP-200HP | 1.7L Inline 4 FourStroke | Select Mercury Verado supercharged models |
If you would like the complete maintenance kit including Mercury SAE 10W30 engine oil and Mercury High Performance gear lube, see this version instead:
View Complete Mercury Verado L4 Service Kit With Oil & Gear Lube
What is Included
| Qty | Included Component | Application |
|---|---|---|
| 1 | Oil Filter | Routine engine oil service |
| 1 | Fuel Filter | Fuel system maintenance |
| 1 | Drain Seals & Service Components | Routine maintenance service |
Recommended 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 | 6 Quarts |
What This Service Kit is Used For
This Mercury Verado L4 maintenance kit provides the routine service components needed to perform scheduled 100 hour maintenance on compatible Mercury Verado 1.7L Inline 4 FourStroke outboards.
Regular maintenance helps support engine reliability, fuel system cleanliness, lubrication performance, and long-term offshore durability.
Replacing filters and maintenance components at recommended service intervals helps reduce engine wear and maintain dependable 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
- Mercury Verado L4 100 hour maintenance kit
- Fits Mercury Verado 135HP-200HP 1.7L Inline 4 models
- Designed for routine scheduled maintenance
- Does not include engine oil or gear lube
- Allows customers to choose preferred lubricants separately
- Includes routine service components and filters
- Supports reliable engine operation
- Convenient maintenance package
Service Kit Details
- Kit Part Number: VERL4-100
- Application: Mercury Verado L4 1.7L Inline 4 FourStroke
- Horsepower Range: 135HP-200HP
- Engine Platform: 1.7L Inline 4 Verado
- Service Interval: 100 Hour Maintenance
- Oil Included: No
- Gear Lube Included: No
FAQ
What engines does this kit fit?
This kit fits compatible Mercury Verado 135HP-200HP 1.7L Inline 4 FourStroke outboards.
Does this service kit include engine oil?
No. Engine oil must be purchased separately.
Does this service 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 including Mercury 10W30 engine oil and gear lube.
Can I use a different oil type?
Yes. Many customers choose Mercury 25W40 or synthetic blend oils depending on climate, operating conditions, and personal maintenance preference.
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
VERL4-100, Mercury Verado L4 service kit, Mercury 1.7L service kit, Mercury 135HP service kit, Mercury 150HP service kit, Mercury 175HP service kit, Mercury 200HP service kit, Mercury Verado 100 hour kit, Mercury Inline 4 maintenance kit, Mercury service kit without oil, Mercury gear lube, Mercury 10W30 oil, Mercury 25W40 oil
Mercury Racing 500R 100 Hour Service Kit With Oil & Gear Lube
Mercury 500R V8 4.6L 100 Hour Kit With 10W30 Full Synthetic Oil
The MER500R-100L 100 Hour Service Kit is designed for Mercury Racing 500R 4.6L V8 outboards. This complete version includes the routine 100 hour service parts, Mercury 10W30 Full Synthetic engine oil, and Mercury Extreme Performance 85W90 gear lube.
This kit is built for customers who want the filters, seals, engine oil, and gear lube needed for a Mercury 500R 100 hour service in one package.
Compatible Applications
| Brand | Engine | Displacement | Service Interval |
|---|---|---|---|
| Mercury Racing | 500R V8 FourStroke | 4.6L | 100 Hour Maintenance |
This kit includes Mercury 10W30 Full Synthetic engine oil and Mercury Extreme Performance 85W90 gear lube.
Mercury recommends Mercury 10W30 Full Synthetic oil, which is included in this kit. Mercury also recommends Mercury 10W30 MRX Racing Oil as another oil option for customers who prefer MRX race oil.
What is Included
| Qty | Part | Description |
|---|---|---|
| 1 | 8M0123025 | OEM Mercury Oil Filter |
| 2 | 8M0204693 | Lower Unit Drain Plug Seals |
| 1 | 8M0166596 | OEM Mercury Fuel Filter |
| 2 Gallons / 7 Quarts | 8M0173224 | Mercury 10W30 Full Synthetic Marine Engine Oil |
| 1 Quart | 8M0111677 | Mercury Extreme Performance Gear Lube 85W90 |
Want to Use a Different Oil?
500R 100 Hour Kit Without Oil & Gear Lube
Some customers prefer to use a different recommended oil, such as Mercury 10W30 MRX Racing Oil, or already have oil and gear lube on hand. The MER500R-100 kit is available without engine oil or gear lube.
View Kit Without Oil & Gear LubeRelated 500R Service Kits
500R 300 Hour Service Kit
Mercury Racing 500R 300 hour service kit. Oil and gear lube sold separately.
View Product
500R 300 Hour Kit With Oil & Gear Lube
Complete Mercury Racing 500R 300 hour maintenance kit with oil and gear lube.
View Product500R Anodes & Corrosion Protection
| Qty Used | Anode | Part Number |
|---|---|---|
| 1 | Trim Manifold Anode | 8M0218976 |
| 2 | Small Block Trim Anode | 8M0204939 |
| 1 | Trim Steering Plate Anode | 38021 |
| 1 | Lower Unit Anode | 8M0137814 |
What This Service Kit is Used For
The MER500R-100L service kit is used for routine 100 hour maintenance on Mercury Racing 500R 4.6L V8 outboards.
This kit supports oil filtration, fuel filtration, lower unit drain seal replacement, engine oil service, and gearcase lubricant service.
Key Features and Benefits
- Designed for Mercury Racing 500R V8 4.6L outboards
- Includes OEM Mercury oil filter, fuel filter, and lower unit drain plug seals
- Includes Mercury 10W30 Full Synthetic engine oil
- Includes Mercury Extreme Performance 85W90 gear lube
- Built for scheduled 100 hour service
- Links to 300 hour kits and 500R anode service parts
- Convenient complete-service option for 500R maintenance
Service Kit Details
- Part Number: MER500R-100L
- Base Kit Without Oil: MER500R-100
- Application: Mercury Racing 500R
- Engine: V8 4.6L FourStroke
- Service Interval: 100 Hour Maintenance
- Oil Included: Yes - Mercury 10W30 Full Synthetic
- Oil Quantity Included: 2 gallons / approximately 7 quarts
- Gear Lube Included: Yes - Mercury Extreme Performance 85W90
- Gear Lube Quantity Included: 1 quart
FAQ
What engine does this kit fit?
This kit fits Mercury Racing 500R 4.6L V8 outboards.
Does this kit include engine oil?
Yes. This version includes Mercury 10W30 Full Synthetic engine oil.
Does this kit include gear lube?
Yes. This kit includes Mercury Extreme Performance 85W90 gear lube.
What other oil does Mercury recommend?
Mercury also recommends Mercury 10W30 MRX Racing Oil for customers who prefer MRX race oil.
Is there a version without oil and gear lube?
Yes. The MER500R-100 kit without oil and gear lube is linked above.
Are 300 hour kits available for the 500R?
Yes. Both 300 hour kits with and without oil and gear lube 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
MER500R-100L, MER500R-100, Mercury 500R 100 hour service kit, Mercury Racing 500R service kit with oil, Mercury 500R oil change kit, Mercury 500R gear lube kit, Mercury 500R 4.6L V8 maintenance, 8M0123025, 8M0204693, 8M0166596, 8M0173224, 8M0169265, 8M0111677, MER500R-300, MER500R-300L, 8M0218976, 8M0204939, 38021, 8M0137814
Mercury Racing 500R 300 Hour Service Kit
Mercury 500R V8 4.6L 300 Hour Maintenance Kit
The MER500R-300 300 Hour Service Kit is designed for Mercury Racing 500R 4.6L V8 outboards. This kit is built for scheduled 300 hour maintenance and includes the major service items needed for the Mercury 500R service interval.
This version does not include engine oil or gear lube. Some customers prefer this kit because they want to choose their own recommended oil option or already have Mercury oil and gear lube on hand.
Compatible Applications
| Brand | Engine | Displacement | Service Interval |
|---|---|---|---|
| Mercury Racing | 500R V8 FourStroke | 4.6L | 300 Hour Maintenance |
This MER500R-300 kit is the 300 hour service kit with engine oil and gear lube sold separately.
For the complete 300 hour version with Mercury 10W30 Full Synthetic oil and Mercury Extreme Performance 85W90 gear lube included, use the MER500R-300L 300 Hour Kit With Oil & Gear Lube.
What is Included
| Qty | Part | Description |
|---|---|---|
| 1 | 8M0123025 | OEM Mercury Oil Filter |
| 2 | 8M0204693 | Lower Unit Drain Plug Seals |
| 1 | 8M0166596 | OEM Mercury Fuel Filter |
| 1 | 8M0210477 | Thermostat Assembly |
| 8 | LKAR7C-9 | NGK Spark Plugs |
| 1 | 8M0200136 | Water Pump Impeller Repair Kit |
| 1 | 8M0210486 | Supercharger Belt |
| 1 | 8M0142251 | Serpentine Belt |
| 1 | 8M0137814 | Lower Unit Aluminum Anode |
Recommended Engine Oil
Mercury Racing 500R engines use approximately 7 quarts of engine oil, or 2 gallons.
Mercury recommends Mercury 10W30 Full Synthetic Oil. Mercury also recommends Mercury 10W30 MRX Racing Oil for customers who prefer MRX race oil.
This kit does not include engine oil.
| Oil Type | Product | Quantity Required |
|---|---|---|
| Mercury 10W30 Full Synthetic | Mercury 10W30 Full Synthetic - Gallon | 2 gallons / approximately 7 quarts |
| Mercury 10W30 Full Synthetic | Mercury 10W30 Full Synthetic - Quart | 7 quarts |
| Mercury 10W30 MRX Racing Oil | Mercury 10W30 MRX Racing Oil - Gallon | 2 gallons / approximately 7 quarts |
Recommended Gear Lube
Mercury Racing 500R lower units use approximately 1 quart of gear lube.
This kit does not include gear lube.
| Gear Lube | Product | Quantity Required |
|---|---|---|
| Mercury Extreme Performance Gear Lube 85W90 | Mercury Extreme Performance Gear Lube 85W90 | 1 quart |
Want the Complete 300 Hour Kit With Oil & Gear Lube?
500R 300 Hour Kit With Oil & Gear Lube
The MER500R-300L kit includes the 300 hour service kit plus Mercury 10W30 Full Synthetic engine oil and Mercury Extreme Performance 85W90 gear lube.
View Kit With Oil & Gear LubeRelated 500R Service Kits
500R 300 Hour Kit With Oil & Gear Lube
Complete 300 hour maintenance kit for Mercury Racing 500R outboards with oil and gear lube included.
View Product
500R 100 Hour Service Kit
Mercury Racing 500R 100 hour service kit. Oil and gear lube sold separately.
View Product
500R 100 Hour Kit With Oil & Gear Lube
Complete 100 hour maintenance kit with Mercury 10W30 Full Synthetic oil and Extreme Performance 85W90 gear lube.
View Product500R Anodes & Corrosion Protection
What This Service Kit is Used For
The MER500R-300 service kit is used for scheduled 300 hour maintenance on Mercury Racing 500R 4.6L V8 outboards.
This kit is ideal for customers who want the core 300 hour service kit but prefer to order engine oil and gear lube separately.
Key Features and Benefits
- Designed for Mercury Racing 500R V8 4.6L outboards
- Built for scheduled 300 hour maintenance
- Oil and gear lube sold separately
- Allows customers to choose Mercury 10W30 Full Synthetic or 10W30 MRX Racing Oil
- Pairs with Mercury Extreme Performance 85W90 gear lube
- Complete MER500R-300L version with oil and gear lube linked above
- Includes links to related 500R service kits and anodes
Service Kit Details
- Part Number: MER500R-300
- Related Kit With Oil & Gear Lube: MER500R-300L
- Application: Mercury Racing 500R
- Engine: V8 4.6L FourStroke
- Service Interval: 300 Hour Maintenance
- Oil Included: No
- Gear Lube Included: No
- Recommended Oil Capacity: 7 quarts / 2 gallons
- Recommended Gear Lube Capacity: 1 quart
FAQ
What engine does this kit fit?
This kit fits Mercury Racing 500R 4.6L V8 outboards.
Does this kit include engine oil?
No. Engine oil is sold separately with this version.
Does this kit include gear lube?
No. Gear lube is sold separately with this version.
Is there a version with oil and gear lube included?
Yes. The MER500R-300L kit with Mercury 10W30 Full Synthetic oil and
Mercury Extreme Performance 85W90 gear lube is linked above.
What oil is recommended for the Mercury 500R?
Mercury recommends 10W30 Full Synthetic oil. Mercury 10W30 MRX Racing Oil
is also a recommended option for customers who prefer MRX race oil.
How much gear lube does the 500R use?
The Mercury Racing 500R lower unit uses approximately 1 quart of
Mercury Extreme Performance 85W90 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
MER500R-300, MER500R-300L, Mercury 500R 300 hour service kit, Mercury Racing 500R 300 hour kit, Mercury 500R maintenance kit, Mercury 500R oil sold separately, Mercury 500R gear lube sold separately, Mercury 500R 4.6L V8 service, Mercury 10W30 Full Synthetic, Mercury 10W30 MRX Racing Oil, Mercury Extreme Performance Gear Lube 85W90, 8M0173224, 8M0173223, 8M0169265, 8M0111677, 8M0218976, 8M0204939, 38021, 8M0137814
Mercury Verado L4 100 Hour Service Kit
Mercury Verado 1.7L Inline 4 FourStroke Maintenance Kit
This Mercury Verado L4 100 hour service kit contains the routine maintenance components needed for compatible Mercury Verado 135HP-200HP 1.7L Inline 4 FourStroke outboards.
Designed for scheduled 100 hour maintenance service on compatible Mercury Verado L4 1.7L applications. This complete version includes Mercury SAE 10W30 engine oil and Mercury High Performance gear lube.
Compatible Applications
| Engine Platform | Horsepower Range | Displacement | Application Notes |
|---|---|---|---|
| Mercury Verado L4 | 135HP-200HP | 1.7L Inline 4 FourStroke | Select Mercury Verado models |
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 | Oil Filter | Routine engine oil service |
| 1 | Fuel Filter | Fuel system maintenance |
| 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 Mercury Verado L4 maintenance kit provides the routine service components needed to perform scheduled 100 hour maintenance on compatible Mercury Verado 1.7L Inline 4 FourStroke outboards.
The included Mercury SAE 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 engine reliability, fuel system cleanliness, lubrication performance, and long-term offshore durability.
Replacing filters, lubricants, and maintenance components at recommended service intervals helps reduce engine wear and maintain dependable operation.
Key Features and Benefits
- Mercury Verado L4 100 hour maintenance kit
- Fits Mercury Verado 135HP-200HP 1.7L Inline 4 models
- Includes Mercury SAE 10W30 engine oil
- Includes Mercury High Performance gear lube
- Designed for complete scheduled maintenance service
- Includes routine service filters and maintenance components
- Supports reliable engine operation
- Convenient all-in-one maintenance package
Service Kit Details
- Kit Part Number: VERL4-100L
- Application: Mercury Verado L4 1.7L Inline 4 FourStroke
- Horsepower Range: 135HP-200HP
- Engine Platform: 1.7L Inline 4 Verado
- Service Interval: 100 Hour Maintenance
- Oil Included: Yes - Mercury SAE 10W30
- Gear Lube Included: Yes - Mercury High Performance Gear Lube
FAQ
What engines does this kit fit?
This kit fits compatible Mercury Verado 135HP-200HP 1.7L Inline 4 FourStroke outboards.
Does this service kit include engine oil?
Yes. This kit includes Mercury SAE 10W30 engine oil.
Does this service 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
VERL4-100L, Mercury Verado L4 service kit, Mercury 1.7L service kit, Mercury 135HP service kit, Mercury 150HP service kit, Mercury 175HP service kit, Mercury 200HP service kit, Mercury Verado 100 hour kit, Mercury Inline 4 maintenance kit, Mercury 10W30 oil kit, Mercury gear lube maintenance kit
Mercury L6 Verado 300 Hour Service Kit
Mercury Inline 6 Verado 350HP-400HP 300 Hour Service Kit
This VER100-L6350 300 hour service kit is built for Mercury Inline 6 Verado 350HP-400HP outboards. It is designed for major scheduled maintenance on compatible high horsepower L6 Verado FourStroke models.
This kit is a convenient option for customers performing 300 hour service and wanting the major maintenance components grouped together for their compatible Mercury L6 Verado 350HP or 400HP outboard.
Compatible Applications
| Brand | Horsepower | Engine Type | Application Notes |
|---|---|---|---|
| Mercury | 350HP | L6 Verado FourStroke | Compatible high horsepower L6 Verado models |
| Mercury | 400HP | L6 Verado FourStroke | Compatible high horsepower L6 Verado models |
This 300 hour service kit is intended for Mercury Inline 6 Verado 350HP-400HP outboards.
If you have a 200HP-300HP L6 Verado, use one of the 200HP-300HP 300 hour service kit options linked below.
Have a 200HP-300HP L6 Verado?
Mercury L6 Verado 200HP-300HP 300 Hour Kit
300 hour service kit for Mercury Inline 6 Verado 200HP-300HP models with the later 2B serial range.
View Product
Mercury L6 Verado 200HP-300HP Service Kit
Service kit option for earlier Mercury Inline 6 Verado 200HP-300HP models with serial numbers 2B144122 and below.
View ProductWhat is Included
| Included Component | Application |
|---|---|
| 300 hour maintenance components | Major scheduled service interval |
| Oil filter service component | Engine oil filtration service |
| Fuel filter service components | Fuel system maintenance |
| Spark plug service components | Ignition system maintenance |
| Water pump / cooling system service components | Cooling system and water pump maintenance |
| Anode / corrosion protection components | Routine corrosion protection maintenance |
| Service seals and maintenance hardware | Routine replacement during scheduled service |
What This Service Kit is Used For
This VER100-L6350 service kit is used for 300 hour scheduled maintenance on compatible Mercury Inline 6 Verado 350HP-400HP FourStroke outboards.
300 hour service is a major maintenance interval that helps support fuel system cleanliness, ignition performance, cooling system operation, corrosion protection, and long-term engine reliability.
Regular scheduled maintenance helps support dependable Verado performance, proper cooling, clean fuel delivery, and long-term durability in demanding marine conditions.
Customers with 200HP-300HP L6 Verado models should use one of the linked service kit options above instead of this 350HP-400HP kit.
Key Features and Benefits
- 300 hour service kit for Mercury Inline 6 Verado outboards
- Fits Mercury L6 Verado 350HP-400HP models
- Designed for major scheduled maintenance
- Supports fuel system, ignition, cooling system, and corrosion protection service
- Convenient way to group major maintenance components
- Helps support long-term Verado reliability and performance
- Use 200HP-300HP kit options for lower horsepower L6 Verado models
Service Kit Details
- Kit Part Number: VER100-L6350
- Application: Mercury Inline 6 Verado FourStroke Outboards
- Horsepower Range: 350HP-400HP
- Service Interval: 300 Hour Maintenance
- Engine Family: L6 Verado
- Service Type: Major scheduled maintenance
FAQ
What engines does this 300 hour service kit fit?
This kit fits compatible Mercury Inline 6 Verado 350HP-400HP outboards.
Does this kit fit Mercury L6 Verado 200HP-300HP models?
No. Mercury L6 Verado 200HP-300HP models use different service kit options, linked above.
Is this the same as a basic oil change kit?
No. This is a 300 hour service kit. A basic oil change kit is used for engine oil and oil filter service only.
What is the difference between 100 hour and 300 hour service?
A 100 hour service is a routine maintenance interval, while 300 hour service is a larger scheduled service that may include additional maintenance items depending on the engine and service schedule.
Should I verify fitment before ordering?
Yes. Always confirm your engine horsepower, model, and service requirements before ordering maintenance parts.
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, lubricants, installed parts, and used maintenance items 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
VER100-L6350, Mercury L6 Verado 350HP 300 hour service kit, Mercury L6 Verado 400HP 300 hour service kit, Mercury Inline 6 Verado 350HP service kit, Mercury Inline 6 Verado 400HP service kit, Mercury Verado 300 hour maintenance kit, Mercury L6 Verado 300 hour kit, Mercury high horsepower Verado service kit, VER100-L62B, VER100-L6, Mercury 200HP Verado 300 hour kit, Mercury 300HP Verado 300 hour kit
Mercury Racing 500R 300 Hour Service Kit With Oil & Gear Lube
Mercury 500R V8 4.6L 300 Hour Maintenance Kit With Oil
The MER500R-300L 300 Hour Service Kit is designed for Mercury Racing 500R 4.6L V8 outboards. This complete maintenance package includes the major Mercury 500R 300 hour service components plus Mercury 10W30 Full Synthetic engine oil and Mercury Extreme Performance 85W90 gear lube.
This complete version is ideal for customers who want the filters, thermostat, belts, impeller kit, spark plugs, engine oil, and gear lube needed for a Mercury Racing 500R 300 hour service in one package.
Compatible Applications
| Brand | Engine | Displacement | Service Interval |
|---|---|---|---|
| Mercury Racing | 500R V8 FourStroke | 4.6L | 300 Hour Maintenance |
This kit includes Mercury 10W30 Full Synthetic engine oil and Mercury Extreme Performance 85W90 gear lube.
Mercury recommends Mercury 10W30 Full Synthetic Oil , which is included in this kit.
Mercury also recommends Mercury 10W30 MRX Racing Oil for customers who prefer MRX race oil.
Want to Use a Different Oil?
500R 300 Hour Kit Without Oil & Gear Lube
Some customers prefer to order a different recommended oil option, such as Mercury 10W30 MRX Racing Oil, or already have engine oil and gear lube on hand. The MER500R-300 kit is available without engine oil and gear lube.
View Kit Without Oil & Gear LubeWhat is Included
| Qty | Part | Description |
|---|---|---|
| 1 | 8M0123025 | OEM Mercury Oil Filter |
| 2 | 8M0204693 | Lower Unit Drain Plug Seals |
| 1 | 8M0166596 | OEM Mercury Fuel Filter |
| 1 | 8M0210477 | Thermostat Assembly |
| 8 | LKAR7C-9 | NGK Spark Plugs |
| 1 | 8M0200136 | Water Pump Impeller Repair Kit |
| 1 | 8M0210486 | Supercharger Belt |
| 1 | 8M0142251 | Serpentine Belt |
| 1 | 8M0137814 | Lower Unit Aluminum Anode |
| 2 Gallons | 8M0173224 | Mercury 10W30 Full Synthetic Marine Engine Oil |
| 1 Quart | 8M0111677 | Mercury Extreme Performance Gear Lube 85W90 |
500R Anodes & Corrosion Protection
What This Service Kit is Used For
The MER500R-300L service kit is used for complete scheduled 300 hour maintenance on Mercury Racing 500R 4.6L V8 outboards.
This complete maintenance package supports oil filtration, fuel filtration, thermostat replacement, water pump service, spark plug replacement, supercharger and serpentine belt replacement, lower unit anode replacement, engine oil service, and gearcase lubricant service.
Key Features and Benefits
- Designed for Mercury Racing 500R V8 4.6L outboards
- Complete 300 hour maintenance package
- Includes Mercury 10W30 Full Synthetic engine oil
- Includes Mercury Extreme Performance 85W90 gear lube
- Includes OEM Mercury filters, thermostat, belts, and impeller kit
- Includes NGK spark plugs and lower unit anode
- Links to related 500R anodes and maintenance parts
- Supports scheduled Mercury Racing maintenance intervals
Service Kit Details
- Part Number: MER500R-300L
- Related Kit Without Oil: MER500R-300
- Application: Mercury Racing 500R
- Engine: V8 4.6L FourStroke
- Service Interval: 300 Hour Maintenance
- Oil Included: Yes - Mercury 10W30 Full Synthetic
- Oil Quantity Included: 2 gallons
- Gear Lube Included: Yes - Mercury Extreme Performance 85W90
- Gear Lube Quantity Included: 1 quart
FAQ
What engine does this kit fit?
This kit fits Mercury Racing 500R 4.6L V8 outboards.
Does this kit include engine oil?
Yes. This version includes Mercury 10W30 Full Synthetic engine oil.
Does this kit include gear lube?
Yes. This kit includes Mercury Extreme Performance 85W90 gear lube.
What other oil does Mercury recommend?
Mercury also recommends Mercury 10W30 MRX Racing Oil for customers who prefer MRX race oil.
Is there a version without oil and gear lube?
Yes. The MER500R-300 kit without oil and gear lube is linked above.
Does this kit include the 500R service belts and thermostat?
Yes. This kit includes the thermostat, supercharger belt, serpentine belt,
water pump impeller repair kit, spark plugs, filters, and lower unit anode.
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
MER500R-300L, MER500R-300, Mercury 500R 300 hour service kit, Mercury Racing 500R 300 hour kit, Mercury 500R oil change kit, Mercury 500R thermostat kit, Mercury 500R impeller kit, Mercury 500R spark plugs, Mercury 500R supercharger belt, Mercury 500R serpentine belt, Mercury 10W30 Full Synthetic, Mercury 10W30 MRX Racing Oil, Mercury Extreme Performance Gear Lube 85W90, 8M0123025, 8M0204693, 8M0166596, 8M0210477, LKAR7C-9, 8M0200136, 8M0210486, 8M0142251, 8M0137814, 8M0173224, 8M0111677
Mercury Racing 500R 100 Hour Service Kit
Mercury 500R V8 4.6L 100 Hour Maintenance Kit
The MER500R-100 100 Hour Service Kit is designed for Mercury Racing 500R 4.6L V8 outboards. This maintenance kit includes the essential OEM Mercury service parts needed for routine 100 hour maintenance.
Regular maintenance helps maximize performance, reliability, and durability on high-performance Mercury Racing outboards. This kit includes genuine Mercury filters and seals commonly replaced during scheduled service intervals.
Compatible Applications
| Brand | Horsepower | Engine | Application |
|---|---|---|---|
| Mercury Racing | 500R | V8 4.6L FourStroke | 100 Hour Maintenance Service |
This kit does NOT include engine oil or gear lube.
Some customers prefer to choose their own oil type and viscosity depending on boating conditions and performance requirements.
If you prefer a complete maintenance package with Mercury 10W30 Full Synthetic Oil and Mercury Extreme Performance 85W90 Gear Lube, order the complete kit here:
Mercury 500R 100 Hour Service Kit with Oil & Gear Lube
What is Included
| Qty | Part | Description |
|---|---|---|
| 1 | 8M0123025 | OEM Mercury Oil Filter |
| 2 | 8M0204693 | Lower Unit Drain Plug Seals |
| 1 | 8M0166596 | OEM Mercury Fuel Filter |
Recommended Engine Oil
Mercury Racing 500R engines use approximately 7 quarts or 2 gallons of engine oil depending on fill method and service procedure.
| Oil Type | Size | Part Number |
|---|---|---|
| Mercury 10W30 Full Synthetic | Gallon | 8M0173224 |
| Mercury 10W30 Full Synthetic | Quart | 8M0173223 |
| Mercury 10W30 MRX Racing Oil | Gallon | 8M0169265 |
Recommended Gear Lube
Mercury Racing 500R lower units use approximately 1 quart of gear lube.
| Gear Lube | Part Number |
|---|---|
| Mercury Extreme Performance Gear Lube 85W90 | 8M0111677 |
Related 500R Service Kits
500R 300 Hour Service Kit
Complete 300 hour maintenance kit for Mercury Racing 500R outboards. Oil and gear lube sold separately.
View Product
500R 300 Hour Kit With Oil & Gear Lube
Complete Mercury Racing 500R 300 hour maintenance package with oil and gear lube included.
View Product500R Anodes & Corrosion Protection
| Qty Used | Anode | Part Number |
|---|---|---|
| 1 | Trim Manifold Anode | 8M0218976 |
| 2 | Trim Block Anode | 8M0204939 |
| 1 | Trim Steering Plate Anode | 38021 |
| 1 | Lower Unit Anode | 8M0137814 |
Key Features and Benefits
- Designed for Mercury Racing 500R V8 4.6L outboards
- Includes genuine Mercury filters and drain plug seals
- Perfect for scheduled 100 hour maintenance
- Supports maximum performance and reliability
- Allows customers to choose their preferred oil option
- Compatible with Mercury Full Synthetic and MRX Racing oils
- Helps maintain warranty-compliant service intervals
Part Details
- Part Number: MER500R-100
- Application: Mercury Racing 500R
- Engine: V8 4.6L FourStroke
- Service Interval: 100 Hour
- Oil Included: No
- Gear Lube Included: No
- Recommended Oil Capacity: 7 Quarts / 2 Gallons
- Recommended Gear Lube Capacity: 1 Quart
FAQ
What engines does this kit fit?
This kit fits Mercury Racing 500R V8 4.6L FourStroke outboards.
Does this kit include engine oil?
No. This version does not include oil or gear lube so customers can choose their preferred fluids.
Is there a version with oil included?
Yes. The MER500R-100L version includes Mercury 10W30 Full Synthetic oil and Extreme Performance 85W90 gear lube.
What oil is recommended for the Mercury 500R?
Mercury recommends either 10W30 Full Synthetic oil or Mercury 10W30 MRX Racing Oil.
How much gear lube does the 500R use?
The Mercury Racing 500R lower unit uses approximately 1 quart of 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.
- Products must be new, unused, and in original packaging.
- Return authorization required before return shipment.
Searchable Terms
MER500R-100, Mercury 500R service kit, Mercury Racing 500R maintenance, Mercury 500R oil filter, 8M0123025, 8M0166596, 8M0204693, Mercury Racing 500R oil change, Mercury 500R 100 hour kit, Mercury Racing V8 service kit, Mercury 500R fuel filter, Mercury Racing oil change kit, Mercury 500R lower unit service
Mercury L6 Verado 300 Hour Service Kit
Mercury Inline 6 Verado 200HP-300HP 300 Hour Service Kit
This VER100-L62B 300 hour service kit is built for Mercury Inline 6 Verado 200HP-300HP outboards with serial numbers 2B144122 and newer. It is designed for major scheduled maintenance on compatible L6 Verado FourStroke models.
This kit is a convenient option for customers performing 300 hour service and wanting the major maintenance components grouped together for their compatible Mercury L6 Verado outboard.
Compatible Applications
| Brand | Horsepower | Engine Type | Serial Range |
|---|---|---|---|
| Mercury | 200HP | L6 Verado FourStroke | 2B144122-Present |
| Mercury | 225HP | L6 Verado FourStroke | 2B144122-Present |
| Mercury | 250HP | L6 Verado FourStroke | 2B144122-Present |
| Mercury | 300HP | L6 Verado FourStroke | 2B144122-Present |
This VER100-L62B kit is for Mercury L6 Verado 200HP-300HP models. If you have a 350HP-400HP L6 Verado, order the kit below.
Mercury L6 Verado 350HP-400HP 300 Hour Kit
300 hour service kit for Mercury L6 Verado 350HP-400HP models. Use this option for the higher horsepower L6 Verado applications.
View ProductThis 300 hour service kit is intended for Mercury Inline 6 Verado 200HP-300HP outboards with serial numbers 2B144122 and newer.
Always verify your engine model, horsepower, and serial number before ordering.
What is Included
| Included Component | Application |
|---|---|
| 300 hour maintenance components | Major scheduled service interval |
| Oil filter service component | Engine oil filtration service |
| Fuel filter service components | Fuel system maintenance |
| Spark plug service components | Ignition system maintenance |
| Water pump / cooling system service components | Cooling system and water pump maintenance |
| Anode / corrosion protection components | Routine corrosion protection maintenance |
| Service seals and maintenance hardware | Routine replacement during scheduled service |
Complete Your Service
Mercury L6 Verado Oil Change Kit
Mercury 25W50 oil change kit for select L6 Verado outboards. Includes two gallons of oil, oil filter, and drain seal.
View Product
100 Hour Kit Without Oil
OEM Mercury 100 hour service kit for L6 Verado models with later serial numbers. Oil and gear lube are sold separately.
View Product
100 Hour Kit With Oil
OEM Mercury 100 hour service kit with oil for L6 Verado models with later serial numbers.
View ProductWhat This Service Kit is Used For
This VER100-L62B service kit is used for 300 hour scheduled maintenance on compatible Mercury Inline 6 Verado 200HP-300HP FourStroke outboards.
300 hour service is a more complete maintenance interval than a basic oil change and typically addresses major service areas such as ignition, fuel filtration, cooling system service, corrosion protection, and routine replacement seals or hardware.
Regular scheduled maintenance helps support long-term Verado reliability, clean fuel delivery, proper engine cooling, corrosion protection, and dependable performance on the water.
Customers performing only engine oil service can use the linked Mercury L6 Verado oil change kit. Customers performing annual or 100 hour service can use the linked 100 hour kit with or without oil.
Key Features and Benefits
- 300 hour service kit for Mercury Inline 6 Verado outboards
- Fits Mercury L6 Verado 200HP-300HP models
- For serial numbers 2B144122-Present
- Designed for major scheduled maintenance
- Supports fuel system, ignition, cooling system, and corrosion protection service
- Convenient way to group major maintenance components
- Pairs with Mercury L6 oil change and 100 hour service kits
Service Kit Details
- Kit Part Number: VER100-L62B
- Application: Mercury Inline 6 Verado FourStroke Outboards
- Horsepower Range: 200HP-300HP
- Serial Range: 2B144122-Present
- Service Interval: 300 Hour Maintenance
- Engine Family: L6 Verado
- Service Type: Major scheduled maintenance
FAQ
What engines does this 300 hour service kit fit?
This kit fits Mercury Inline 6 Verado 200HP-300HP outboards with serial numbers 2B144122 and newer.
Does this kit fit 350HP-400HP L6 Verado models?
No. Mercury L6 Verado 350HP-400HP models use a different 300 hour service kit, linked above.
Is this the same as a basic oil change kit?
No. This is a 300 hour service kit. A basic oil change kit is used for engine oil and oil filter service only.
Do you offer a Mercury L6 Verado oil change kit?
Yes. The Mercury L6 Verado 25W50 oil change kit is linked above in the Complete Your Service section.
Do you offer 100 hour kits for this engine family?
Yes. The 100 hour kit without oil and 100 hour kit with oil are both linked above.
Should I verify my serial number?
Yes. Mercury L6 Verado service kits can vary by serial number range, so always confirm your serial number before ordering.
What is the difference between 100 hour and 300 hour service?
A 100 hour service is a routine maintenance interval, while 300 hour service is a larger scheduled service that may include additional maintenance items depending on the engine and service schedule.
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, lubricants, installed parts, and used maintenance items 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
VER100-L62B, Mercury L6 Verado 300 hour service kit, Mercury Inline 6 Verado 300 hour kit, Mercury Verado 300 hour maintenance kit, Mercury L6 Verado 200HP service kit, Mercury L6 Verado 225HP service kit, Mercury L6 Verado 250HP service kit, Mercury L6 Verado 300HP service kit, Mercury Verado 2B144122 and newer, Mercury 100 hour service kit, Mercury L6 Verado oil change kit, OCKIT-1, 8M0120657, 8M0120657-L, VER100-L6350, Mercury L6 Verado 350HP 300 hour kit, Mercury L6 Verado 400HP 300 hour kit
OEM Mercury 300-Hour V6 Service Kit with Oil & Gear Lube
Mercury 8M0149930-L Service Kit for 3.4L V6 FourStroke Outboards
The Mercury 8M0149930-L 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 along with Mercury 10W30 engine oil and Mercury gear lube for a more complete service package.
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
- Mercury 10W30 engine oil
- Mercury gear lube
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Mercury OEM | 8M0149930-L |
| Related Kit Without Oil | 8M0149930 |
| Application | 300-Hour V6 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:
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
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
- 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: 8M0149930-L
- Part Type: 300-Hour Service Kit with Oil & Gear Lube
- Application: Mercury 3.4L V6 FourStroke Outboards
- Includes Oil: Yes
- Includes Gear Lube: Yes
- Quantity Sold: Kit
FAQ
What engines does Mercury 8M0149930-L fit?
This kit fits Mercury 3.4L V6 FourStroke 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,
anodes, engine oil, and gear lube.
Which anode kit goes with this engine?
This application uses Mercury aluminum anode kit 8M0205955.
Is there a version without oil and gear lube?
Yes. Mercury 8M0149930 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.
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-L, 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 kit, Mercury gear lube kit, 8M0149930, 8M0205955
OEM Mercury V12 Verado 200 Hour Service Kit
Mercury V12 Verado 200 Hour Service Kit
The Mercury 8M0179987 200 hour service kit is designed for scheduled maintenance on compatible Mercury V12 Verado outboards. This kit helps simplify routine service by grouping commonly replaced maintenance components together in one convenient package.
Regular 200 hour maintenance helps support proper cooling, fuel system cleanliness, corrosion protection, lubrication, and long-term Mercury V12 Verado performance.
Compatible Applications
| Brand | Engine Family | Horsepower | Application Notes |
|---|---|---|---|
| Mercury | V12 Verado FourStroke | 600HP | Compatible Mercury V12 Verado models |
Mercury recommends routine scheduled service intervals to help maintain performance, reliability, and corrosion protection on V12 Verado outboards.
Always verify engine model and serial number before ordering service parts.
What is Included
| Included Component | Application |
|---|---|
| Oil Filter Service Components | Engine oil maintenance |
| Fuel Filter Service Components | Fuel system maintenance |
Recommended Oil & Gear Lube
Engine Oil Requirement:
Mercury SAE 10W30 Full Synthetic Marine Engine Oil
Capacity: Approximately 14 quarts or 4 gallons
Mercury SAE 10W30 Full Synthetic Marine Engine Oil
Gear Lube Requirement:
Mercury Premium Gear Lube SAE 80W90
Capacity: 4 quarts
Mercury V12 Verado outboards include a transmission system that requires periodic transmission fluid service and flushing.
The transmission uses ATF (Automatic Transmission Fluid).
We currently do not stock the required ATF transmission fluid.
Recommended V12 Anode Kit
Mercury V12 Verado Aluminum Anode Kit
Aluminum anode kit for Mercury V12 Verado outboards. Helps protect against galvanic corrosion in marine environments.
View ProductWhat This Service Kit is Used For
The Mercury 8M0179987 service kit is used for routine 200 hour scheduled maintenance on compatible Mercury V12 Verado outboards.
Scheduled service helps support engine lubrication, fuel system cleanliness, cooling system performance, ignition performance, and corrosion protection.
The Mercury V12 Verado platform includes advanced systems that benefit from routine scheduled maintenance intervals to help maintain long-term reliability and performance.
Proper maintenance also helps protect your investment and supports dependable offshore and high-load marine operation.
Key Features and Benefits
- OEM Mercury 200 hour service kit for V12 Verado outboards
- Designed for major scheduled maintenance intervals
- Supports lubrication, cooling, ignition, and fuel system maintenance
- Convenient grouped maintenance kit
- Helps support long-term reliability and corrosion protection
- Pairs with Mercury V12 anode kits and lubricants
- Compatible with Mercury SAE 10W30 Full Synthetic marine oil
- Supports Mercury V12 Verado routine maintenance schedules
Service Kit Details
- Part Number: 8M0179987
- Application: Mercury V12 Verado FourStroke Outboards
- Service Interval: 200 Hour Maintenance
- Recommended Oil: Mercury SAE 10W30 Full Synthetic
- Engine Oil Capacity: Approximately 14 quarts
- Recommended Gear Lube: Mercury Premium Gear Lube SAE 80W90
- Gear Lube Capacity: 4 quarts
- Transmission Fluid Type: ATF (Automatic Transmission Fluid)
FAQ
What engines does this service kit fit?
This service kit fits compatible Mercury V12 Verado outboards.
What oil should be used with the Mercury V12 Verado?
Mercury recommends SAE 10W30 Full Synthetic Marine Engine Oil.
How much engine oil does the V12 Verado use?
The Mercury V12 Verado uses approximately 14 quarts of engine oil.
What gear lube does the V12 Verado use?
Mercury Premium Gear Lube SAE 80W90 is recommended.
How much gear lube is required?
The Mercury V12 Verado gearcase uses approximately 4 quarts of gear lube.
Does the Mercury V12 Verado use transmission fluid?
Yes. The V12 Verado transmission requires ATF (Automatic Transmission Fluid) service and periodic flushing.
Do you stock the transmission fluid?
No. We currently do not stock the required ATF transmission fluid.
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, lubricants, installed parts, and used maintenance items 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
8M0179987, Mercury V12 Verado service kit, Mercury V12 200 hour service kit, Mercury V12 maintenance kit, Mercury V12 oil change, Mercury V12 gear lube, Mercury V12 transmission fluid, Mercury V12 ATF, 8M0173224, Mercury 10W30 full synthetic marine oil, 858058K01, Mercury Premium Gear Lube 80W90, 8M0179981, Mercury V12 anode kit, Mercury 600HP Verado maintenance
OEM Mercury 40-60HP 300 Hour Service Kit With Oil
Mercury 40-60HP 300 Hour Kit Standard Gearcase
The Mercury 8M0113483-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 standard gearcases.
This 300 hour maintenance kit includes the required service components along with Mercury 10W30 engine oil and gear lube for scheduled maintenance service.
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 |
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 |
| Mercury 10W30 Engine Oil | Engine oil service |
| Mercury Gear Lube | Gearcase lubricant service |
Prefer to Choose a Different Oil?
Some customers prefer to purchase a different Mercury oil, including Mercury 25W40, Synthetic Blend, or Full Synthetic options.
If you prefer to choose your own engine oil and gear lube, order the standard 300 hour kit below.
Order 8M0113483 - Oil and Gear Lube Sold SeparatelyIncluded Oil & Gear Lube Information
This kit includes Mercury 10W30 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.
Standard gearcase applications use approximately 1 quart of gear lube.
BigFoot / Command Thrust 300 Hour Kits
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
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 ProductWhat This Service Kit is Used For
The Mercury 8M0113483-L 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 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 standard gearcase models only
- Includes Mercury 10W30 engine oil
- Includes gear lube for gearcase service
- Alternative kit available for customers preferring different oils
- BigFoot / Command Thrust kits linked above
Service Kit Details
- Part Number: 8M0113483-L
- Base Kit: 8M0113483
- Application: Mercury 40-60HP FourStroke EFI Outboards
- Serial Range: 1C000001 & Higher
- Gearcase Type: Standard Gearcase
- Service Interval: 300 Hour Maintenance
- Oil Included: Mercury 10W30
- 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 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?
Yes. This kit includes Mercury 10W30 engine oil and gear lube.
What if I prefer a different oil?
Customers who prefer different Mercury oil options can order
the standard 8M0113483 kit and select their preferred oil separately.
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.
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
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