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Mercury 8-9.9HP EFI 300 Hour Kit | Pro Marine USA
Shop Mercury 8HP-9.9HP EFI 300 hour service kits for scheduled 4 stroke outboard maintenance. These kits help group common maintenance parts for larger service intervals on small Mercury EFI outboards.
Always verify your Mercury model and serial number before ordering service parts.
Tip: Mercury 8HP and 9.9HP EFI engines may use different service components depending on model year and serial number range.
Common Mercury 8HP-9.9HP EFI 300 Hour Kit Items
- Oil filters and fuel filters
- Spark plugs
- Thermostats and seals when applicable
- Water pump service components when included
- Engine oil when included
- Gear lube when included
Frequently Asked Questions
What is included in a Mercury 8-9.9HP EFI 300 hour service kit?
Most kits include scheduled maintenance items such as filters, seals, spark plugs, and related service parts. Some kits may also include engine oil, gear lube, thermostats, or water pump components.
Do these kits include oil and gear lube?
Some Mercury 300 hour kits include engine oil and lower unit gear lube, while others contain only maintenance parts. Review the product listing for exact contents.
How do I choose the correct Mercury 8-9.9HP EFI kit?
Use your Mercury horsepower, model, and serial number to confirm the correct 300 hour service kit for your outboard.
Helpful Links
Mercury 9.9-20HP 300 Hour Service Kit With Oil and Gear Lube
Mercury 300 hour maintenance kit with engine oil and gear lube for select Mercury 9.9HP FourStroke and 10-20HP EFI FourStroke outboards. This complete kit includes filters, O-rings, seals, thermostat components, spark plugs, anodes, a water pump repair kit, 2 quarts of Mercury 10W30 FC-W engine oil, and 1 quart of Mercury High Performance gear lube.
Oil and Gear Lube Included
This complete 300 hour service kit includes the required fluids for the listed Mercury 9.9HP and 10-20HP EFI applications.
Compatible Applications
Always verify your model, horsepower, and serial number before ordering service parts.
What is Included
Other Kit Option Available
300 Hour Kit Without Oil and Gear Lube
Some customers already have oil and gear lube, prefer a different oil weight, or want to purchase fluids separately. This version includes the 300 hour service parts without fluids.
View Kit Without OilWhat This Kit is Used For
Mercury service kit 8M0151470-1 is used for scheduled 300 hour maintenance on compatible Mercury four stroke outboards. This kit includes fuel and oil service parts, lower unit drain plug seals, thermostat service parts, spark plugs, zinc anodes, a water pump repair kit, engine oil, and gear lube.
This complete version is ideal for customers who want the main 300 hour service parts and the required fluids packaged together for one convenient service order.
Key Features and Benefits
Includes scheduled service parts plus engine oil and gear lube.
Includes 2 quarts of Mercury 10W30 FC-W oil and 1 quart of High Performance gear lube.
Includes water pump repair kit 8M0135821 for 300 hour maintenance.
Fits listed Mercury 9.9HP and 10-20HP EFI four stroke serial ranges.
FAQ
Does this Mercury 300 hour kit include oil?
Yes. This kit includes 2 quarts of Mercury 4-Stroke FC-W 10W30 engine oil.
Does this kit include gear lube?
Yes. This kit includes 1 quart of Mercury / Quicksilver High Performance gear lube.
What engines does 8M0151470-1 fit?
This kit fits select Mercury 9.9HP FourStroke engines serial number 1R008146-1R278792 and Mercury 10-20HP EFI FourStroke engines serial number 0R833820-Present.
Is there a version without oil and gear lube?
Yes. Customers who already have fluids or prefer a different oil weight can use the 8M0151470 300 Hour Service Kit Without Oil.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Maintenance kits must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Part Numbers
8M0151470-1, 8M0151470, 822626Q03, 8M0134466, 8537331, 8518151, 895146, 8M0082880, 8M0139434, 8M0214960, DCPR6E, 4525, 875208P, 8M0135821, 858045K01, HPLUBEQT, Mercury 300 hour service kit with oil, Mercury 9.9 service kit, Mercury 10HP service kit, Mercury 15HP service kit, Mercury 20HP EFI service kit
Mercury 9.9-20HP 300 Hour Service Kit Without Oil and Gear Lube
Mercury 300 hour maintenance kit for select Mercury 9.9HP FourStroke and 10-20HP EFI FourStroke outboards. This kit includes filters, O-rings, seals, thermostat components, spark plugs, anodes, and a water pump repair kit for scheduled 300 hour service. Engine oil and gear lube are sold separately.
Oil and Gear Lube Sold Separately
This 300 hour kit does not include fluids. For the listed Mercury 9.9HP and 10-20HP EFI applications, add the following oil and gear lube to complete the service:
Compatible Applications
Always verify your model, horsepower, and serial number before ordering service parts.
What is Included
Other Kit Option Available
300 Hour Kit With Oil and Gear Lube
Choose this complete 300 hour service kit option if you want the required Mercury 10W30 engine oil and High Performance gear lube included.
View 300 Hour Kit With OilWhat This Kit is Used For
Mercury service kit 8M0151470 is used for scheduled 300 hour maintenance on compatible Mercury four stroke outboards. This kit includes fuel and oil service parts, lower unit drain plug seals, thermostat service parts, spark plugs, zinc anodes, and a water pump repair kit.
This version is ideal for customers who already have engine oil and gear lube, prefer a different oil weight, or want to purchase fluids separately.
FAQ
Does this Mercury 300 hour kit include oil?
No. This version does not include engine oil or gear lube. Add 2 quarts of Mercury 10W30 FC-W engine oil and 1 quart of Mercury High Performance gear lube for the listed applications.
What engines does 8M0151470 fit?
This kit fits select Mercury 9.9HP FourStroke engines serial number 1R008146-1R278792 and Mercury 10-20HP EFI FourStroke engines serial number 0R833820-Present.
Is there a 300 hour version with oil and gear lube?
Yes. The complete 300 hour service kit with oil and gear lube is available here: 8M0151470-1 300 Hour Service Kit With Oil.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Maintenance kits must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Part Numbers
8M0151470, 8M0151470-1, 822626Q03, 8M0134466, 8537331, 8518151, 895146, 8M0082880, 8M0139434, 8M0214960, DCPR6E, 4525, 875208P, 8M0135821, 858045K01, HPLUBEQT, Mercury 300 hour service kit, Mercury 9.9 service kit, Mercury 10HP service kit, Mercury 15HP service kit, Mercury 20HP EFI service kit