Mercury Marine 9.9-20hp FourStroke EFI 300 Hour Maintenance Kit
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Mercury Marine 9.9-20hp FourStroke EFI 300 Hour Maintenance Kit
The Mercury 8M0151470 300 Hour Maintenance Kit delivers everything needed to complete a comprehensive scheduled service on compatible Mercury EFI FourStroke outboards. Designed to Mercury Marine's strict OEM standards, this kit consolidates all required 300-hour service components into one convenient package, eliminating the need to source individual parts separately. Whether you're maintaining a small fishing boat, inflatable, dinghy, tender, jon boat, or lightweight skiff, this genuine Mercury kit provides the confidence of a factory-approved service solution suitable for both tiller and remote-steering applications, and is engineered to withstand the demands of both fresh and saltwater environments.
Key Features
- Complete 300-hour service kit for Mercury 9.9hp FourStroke EFI (serial numbers 1R008146–1R278792) and 15–20hp FourStroke EFI (serial numbers 0R833820 and above) outboards
- Includes oil filter, fuel filter, oil drain seal, gearcase drain seals, thermostat, thermostat gaskets, spark plugs, water pump impeller kit, and unit anodes
- All components packaged in one box — no need to order separate parts
- High-capacity filter media for consistent lubrication and fuel delivery
- Electroplated housings designed to withstand corrosion in harsh marine environments
- Produced by Mercury Marine to stringent OEM specifications to maximize engine performance
- Serviceable with common shop tools — follow your owner's manual for recommended procedures
- Not for use on carbureted engines
- Mercury 4-Stroke Oil and Gear Lube sold separately
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