1. OEM Part: For replacement of Tohatsus Nissan Outboard 3B2660210M, 3B2650211 M, For replacement of Sierra 188920, For replacement of Parsun Makara F804000200, etc. 2. Perfect Fit: The marine water pump impeller is a perfect replacement for Mariner outboard engines 2005 onwards 8hp 4 stroke standard gearbox and 200 onwards 9.9hp 4 stroke standard gearbox 3. Application: The flexible 6-blade impeller is designed for marine water pumping, such as engine cooling, water transfer, flushing and bilge water pumping, suitable for fresh or sea water. 4. Recommendation: It is recommended to replace the flexible pump impeller at least once a year, or earlier depending on the engine load; always carry a spare impeller on board before boating. 5. High-quality materials: The heavy-duty impeller is made of high-quality hardened copper and neoprene, which is conducive to water pump maintenance, reliability and long service life.