Water pump impeller replacement kit: Water pump impellers are the most commonly replaced item on outboard motors. In order to keep the engine running smoothly, impellers should be inspected and replaced once a year or every 100 hours of operation. Replaces part # - Johnson Evinrude 393630 393509 391636 0393630, Sierra 18-3382. This new replacement water pump impeller kit for Johnson Evinrude 20 hp 1985 and later; Johnson Evinrude 25 hp 1985 and later; Johnson Evinrude 25 hp Commercial 1998-2001; Johnson Evinrude 30 hp 1980-1982; Johnson Evinrude 3. 30hp (2 cylinder) 1983 and later; Johnson Evinrude 35hp 1980-1982. Check the compatibility list in the product description to make sure it fits your model. Premium quality: the impeller kit is made of high quality materials for improved performance and reliability. The impeller is made of a neoprene rubber compound for flexibility and long-lasting performance. This Johnson Evinrude OMC water pump kit includes: Neoprene impeller 395289, pump cup 328751, pump housing 393632, wear plate, water pump impeller gasket 325537, install bolts, wrench, seal, O-ring. OEM design, direct fit: direct replacement for proper fit and easy installation, quality materials used, meets or exceeds OEM standards, while this is not an OMC original part, it is a direct replacement and fits and functions exactly like the factory part. Package Includes: Include All parts as pictures show. If you have any questions about Water Pump Repair Kit, please contact us.