Impeller for Yamaha/Mariner 6-8 HP (4-Stroke Models) – High-Performance Cooling Impeller

The 52.368.00 impeller is designed for small Yamaha and Mariner 4-stroke engines of 6 and 8 HP (including certain 9.9 HP versions). This component replaces the original impeller (Yamaha OEM 68T-44352-00/01) and ensures your engine stays well-cooled even during extended use. Constructed from high-resilience rubber, the impeller retains its shape and flexibility over long running periods, providing a constant flow of water through the cooling system.
Installation is straightforward – simply remove the old impeller and install the new one in its place, with no modifications required. This results in an immediate restoration of optimal water pump performance. Compatibility also extends to Italian-made Selva 6-8 HP outboards, which utilize an identical Yamaha design. With this impeller, your engine will operate reliably at both low and high RPMs, safeguarded against overheating in hot weather or during long trolling sessions.
It is advisable to inspect and replace the impeller periodically (for example, once a year) to ensure your engine continues to run at peak efficiency. As a critical part of the cooling system, timely impeller replacement protects your engine investment and provides peace of mind while boating.

• Application: Ideal for small inflatables, fishing skiffs, and sailboat auxiliary motors in the 6-8 HP four-stroke class. This impeller keeps engine temperatures stable during extended cruises or prolonged idling.
• Recommendation: Suitable for boats about 2.5–4 meters long powered by Yamaha/Mariner 6-8 HP 4-stroke motors (e.g. F6, F8 models from 2001-2007). Regular maintenance and replacement ensure a reliable cooling system and an extended engine lifespan.