SERV KIT-300 HRS – V6 (3.4L) FourStroke (8M0149930)

The SERV KIT-300 HRS – V6 (3.4L) FourStroke is a genuine OEM maintenance kit specifically designed for Mercury’s 3.4L V6 FourStroke outboard engines. This comprehensive 300-hour service kit includes all the essential components needed to complete a full scheduled maintenance, helping you keep your outboard running with peak performance, smooth reliability, and long-term durability.

Mercury’s 3.4L V6 FourStroke engines are known for their strong mid-range power, quiet operation, and fuel efficiency—making them a favorite among recreational and professional boaters alike. To protect your investment and ensure consistent engine performance, Mercury recommends a full service every 300 hours or annually under heavy use. The SERV KIT-300 HRS – V6 (3.4L) FourStroke gives you everything you need to carry out that service efficiently and confidently.

This all-in-one kit includes a high-quality water pump impeller and housing to maintain optimal cooling system function, along with an oil filter, fuel filter, gear lube drain plug seals, air filter, spark plugs, and a complete set of gaskets and o-rings. Every part in the kit is a Mercury-certified OEM component, built to exact specifications for perfect compatibility and long service life.

The impeller plays a critical role in ensuring efficient water circulation through the engine’s cooling passages. Replacing it as part of your 300-hour service helps prevent overheating and protects against internal wear. The oil and fuel filters safeguard internal engine components from contaminants, supporting smooth operation and prolonging engine life. The air filter ensures the engine breathes cleanly and maintains fuel economy, while the spark plugs deliver consistent ignition for optimal throttle response and smooth starts.

All gaskets and seals are marine-grade and engineered to withstand harsh saltwater and high-vibration environments, ensuring leak-free performance even under demanding conditions.

Whether you’re a hands-on boater or a professional marine technician, the SERV KIT-300 HRS – V6 (3.4L) FourStroke saves time, ensures accuracy, and delivers factory-level servicing in one convenient package. Using genuine Mercury parts not only preserves your engine’s performance but also helps maintain warranty compliance.

Keep your 3.4L V6 FourStroke operating at its best with this trusted, OEM-approved service kit.

Follow us on Facebook, Instagram and Youtube.

Terms & Conditions | Returns & Exchanges | Privacy Policy