75 hp through 115 hp 2.1L EFI FourStroke SERV KIT-300 HRS (8M0097855)

The 75 hp through 115 hp 2.1L EFI FourStroke SERV KIT-300 HRS is a genuine OEM service kit designed to match Mercury’s strict maintenance standards for 2.1L EFI FourStroke outboards between 75HP and 115HP. Built for the 300-hour service interval, this kit contains everything required to ensure your engine stays dependable, efficient, and protected—whether you’re fishing, cruising, or working offshore.

With routine use, even the most reliable engines require periodic maintenance to stay in top condition. This comprehensive kit eliminates the guesswork by packaging all factory-recommended components into one convenient solution. It includes a high-quality water pump impeller and housing, thermostat, oil filter, fuel filter, spark plugs, drain plug gasket, and a complete set of seals and o-rings. Every part is manufactured to Mercury’s original specifications to ensure a perfect fit and lasting performance.

At the heart of this service kit is the impeller and pump assembly, which plays a critical role in maintaining optimal engine temperature. Replacing the impeller every 300 hours prevents the risk of overheating and the long-term wear that comes with reduced cooling efficiency. The included thermostat works alongside the cooling system to regulate temperature consistently during operation.

Clean oil and fuel are essential to engine longevity, which is why the oil and fuel filters in this kit are made to trap even the smallest contaminants. The spark plugs are designed to promote efficient ignition and combustion, helping to maintain smooth running and quick starts in any condition. All sealing components are built to resist corrosion and pressure, keeping your outboard leak-free and well-protected.

The kit is ideal for both DIY maintenance and professional servicing. By using this OEM kit, you can be confident you’re getting high-performance parts that preserve the integrity of your outboard and support its long-term health.

This 300-hour kit is a valuable investment that helps reduce the risk of mechanical issues, maintain fuel economy, and prolong engine life. Whether you’re on the water every weekend or preparing for a busy season, this kit delivers what your outboard needs to stay running strong.

Choose the 75 hp through 115 hp 2.1L EFI FourStroke SERV KIT-300 HRS for peace of mind and reliable performance you can count on, every time you turn the key.

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