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OEM Mercury 75-115HP 2.1L 300 Hour Service Kit With Oil & Gear Lube
Mercury 75-115HP 2.1L EFI 300 Hour Kit - Serial 2B094996-Present
The Mercury 8M0097857-L 300 hour service kit is designed for Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.
This OEM Mercury maintenance kit includes the major components commonly replaced during scheduled 300 hour maintenance intervals along with Mercury 10W30 engine oil and Mercury gear lube.
Compatible Applications
| Brand | Horsepower | Engine Type | Serial Range |
|---|---|---|---|
| Mercury | 75HP, 90HP, 115HP | 2.1L FourStroke EFI Outboard | 2B094996 & Higher |
This 300 hour service kit is for Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.
Always verify your engine serial number before ordering maintenance parts.
What is Included
| Included Component | Application |
|---|---|
| Oil Filter | Engine oil filtration service |
| Fuel Filter | Fuel system maintenance |
| Gearcase Drain 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 |
| 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?
300 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 available. The standard Mercury 8M0097857 300 hour service kit without oil or gear lube is available separately.
View Kit Without OilWhat This Service Kit is Used For
The Mercury 8M0097857-L service kit is used for major 300 hour maintenance on compatible Mercury 75-115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.
This maintenance interval commonly includes ignition system maintenance, cooling system service, water pump service, fuel filtration, corrosion protection, engine oil service, and gearcase lubricant replacement.
Key Features and Benefits
- OEM Mercury 300 hour service kit
- Fits Mercury 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards
- For serial numbers 2B094996 and higher
- Includes spark plugs, thermostat kit, impeller kit, alternator belt, and anodes
- Includes Mercury 10W30 engine oil
- Includes Mercury gear lube
- Convenient all-in-one maintenance package
- Allows complete scheduled maintenance in one kit
Service Kit Details
- Part Number: 8M0097857-L
- Base Mercury Kit Number: 8M0097857
- Application: Mercury 75-115HP 2.1L FourStroke EFI Outboards
- Serial Range: 2B094996 & Higher
- Service Interval: 300 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 75HP, 90HP, and 115HP 2.1L FourStroke EFI outboards with serial numbers 2B094996 and higher.
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 8M0097857 service kit without oil and gear lube is linked above.
Why would someone choose the kit without oil?
Some customers prefer using a different oil viscosity, synthetic blend,
full synthetic oil, or already have oil and gear lube available.
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
8M0097857-L, 8M0097857, Mercury 75HP 2.1L 300 hour service kit, Mercury 90HP 2.1L 300 hour service kit, Mercury 115HP 2.1L 300 hour service kit, Mercury 2.1L FourStroke maintenance kit, Mercury serial 2B094996, Mercury EFI maintenance, Mercury spark plug kit, Mercury thermostat kit, Mercury impeller kit, Mercury alternator belt, Mercury anodes, Mercury 10W30 oil, Mercury gear lube, Mercury Premium Gear Lube, Mercury High Performance Gear Lube
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 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
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 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 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 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
8M0113483-L, 8M0113483, 8M0090559, 8M0090559-L, Mercury 40HP 300 hour kit with oil, Mercury 50HP 300 hour kit with oil, Mercury 60HP 300 hour kit with oil, Mercury standard gearcase 300 hour kit, Mercury standard gearcase maintenance kit, Mercury 300 hour kit with 10W30, Mercury serial 1C000001 300 hour kit, Mercury FourStroke EFI 300 hour service, Mercury BigFoot 300 hour kit, Mercury Command Thrust 300 hour kit, Mercury 40-60HP maintenance kit with oil
OEM Mercury 300 Hour Service Kit With Oil
Mercury 5.7L V10 350HP-425HP Verado 300 Hour Maintenance Kit
This OEM Mercury 300 hour service kit with oil is designed for Mercury 5.7L V10 350HP-425HP Verado outboards equipped with the 6.44 gearcase. It includes the major scheduled maintenance components along with Mercury 25W50 engine oil for complete engine oil service.
Important: This kit includes engine oil, but it does not include gear lube. Mercury V10 standard rotation and counter rotation gearcases require different gear lube quantities, so gear lube should be selected separately below.
Compatible Applications
| Engine Platform | Horsepower Range | Displacement | Application Notes |
|---|---|---|---|
| Mercury Verado V10 | 350HP-425HP | 5.7L FourStroke | Models equipped with the Mercury 6.44 gearcase only |
This service kit is specifically for Mercury 5.7L V10 Verado models equipped with the 6.44 gearcase.
This kit includes Mercury 25W50 engine oil, but it does not include gear lube.
Standard rotation Mercury V10 gearcases use approximately 1 quart of gear lube.
Counter rotation Mercury V10 gearcases use approximately 2.3 quarts, so customers should order 3 quarts for proper service.
If you do not want the version with included Mercury 25W50 engine oil, use the no-oil version and select your oil separately.
View Mercury V10 300 Hour Service Kit Without Oil
What is Included
| Included Component | Application |
|---|---|
| OEM Mercury 300 hour maintenance components | Scheduled Mercury V10 service interval |
| OEM Mercury oil filter | Engine oil filtration service |
| OEM Mercury fuel filter components | Fuel system maintenance |
| OEM Mercury spark plugs | Ignition system maintenance |
| OEM Mercury thermostat and cooling system components | Cooling system maintenance |
| OEM Mercury water pump repair components | Water pump service |
| OEM Mercury seals and maintenance hardware | Routine scheduled maintenance replacement items |
| Mercury 25W50 engine oil | Engine lubrication service |
Gear Lube Options - Sold Separately
| Gear Lube | Product | Quantity Required |
|---|---|---|
| Premium 80W90 Gear Lube | Mercury Premium 80W90 Gear Lube | Standard rotation: 1 quart Counter rotation: 3 quarts |
| Extreme Performance 85W90 Gear Lube | Mercury Extreme Performance Gear Lube | Standard rotation: 1 quart Counter rotation: 3 quarts |
Complete Your Service
300 Hour Service Kit Without Oil
OEM Mercury 300 hour maintenance kit without engine oil or gear lube for Mercury 5.7L V10 350HP-425HP Verado outboards with the 6.44 gearcase.
View Product
Mercury V10 Anode Kit
OEM Mercury anode kit for Mercury 5.7L V10 350HP-425HP Verado outboards. Helps protect against galvanic corrosion in freshwater and saltwater use.
View ProductWhat This Service Kit is Used For
This OEM Mercury 300 hour service kit with oil is used for major scheduled maintenance on compatible Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.
The included Mercury 25W50 engine oil helps simplify scheduled maintenance while the OEM Mercury service components support proper cooling system, fuel system, ignition, and water pump service.
Because standard rotation and counter rotation gearcases use different amounts of gear lube, this kit does not include gear lube. Customers should choose the proper lubricant and quantity separately.
Customers performing 300 hour service should also inspect anodes, lower unit lubricant condition, and additional wear items depending on operating conditions and service history.
Key Features and Benefits
- OEM Mercury 300 hour maintenance kit with engine oil
- Fits Mercury 5.7L V10 350HP-425HP Verado models with the 6.44 gearcase
- Includes Mercury 25W50 engine oil
- Designed for scheduled 300 hour service
- Does not include gear lube
- Allows customers to select the proper gear lube quantity separately
- Includes major cooling system and water pump service components
- Supports long-term engine reliability and performance
Service Kit Details
- Kit Part Number: 8M0207808-L
- Brand: Mercury Marine
- Application: Mercury 5.7L V10 Verado Outboards
- Horsepower Range: 350HP-425HP
- Gearcase Requirement: Mercury 6.44 Gearcase Only
- Service Interval: 300 Hour Maintenance
- Engine Oil Included: Yes - Mercury 25W50
- Gear Lube Included: No
- Standard Rotation Gear Lube Required: Approximately 1 quart
- Counter Rotation Gear Lube Required: Approximately 2.3 quarts - order 3 quarts
FAQ
What engines does this 300 hour service kit fit?
This kit fits Mercury 5.7L V10 Verado 350HP-425HP outboards equipped with the 6.44 gearcase.
Does this kit include engine oil?
Yes. This version includes Mercury 25W50 engine oil.
Does this kit include gear lube?
No. Gear lube is not included because standard rotation and counter rotation gearcases use different amounts.
How much gear lube should I order?
Standard rotation gearcases use approximately 1 quart. Counter rotation gearcases use approximately 2.3 quarts, so order 3 quarts for counter rotation service.
Why is the 6.44 gearcase important?
Mercury used different gearcase configurations on V10 Verado models, so this kit is specifically intended for engines equipped with the 6.44 gearcase.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Maintenance kits and lubricants must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
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