【Applicable model】For Volvo Penta，Sherwood，Johnson，Jabsco，Onan，Pleasurecraft，Yamaha 【OEM】Replacing part numbers For Sherwood pump 09959K Johnson 09-701B-1 for Jabsco 18838-0001-P Volvo penta 835512-5 3854286 Onan 132-0317 Yamaha YSC-101-03-01-0C pleasurecraft RP061015 【High quality】The impeller is made of high-quality rubber and will not be damaged even after long-term immersion in seawater 【Attention】According to the load of the engine, you should replace the flexible pump impeller at least once a year or earlier. It is one of the most important components of the engine cooling system and should always be treated in this way. Before rowing, be sure to carry a spare impeller with you. 【Note】Pay attention to the model before purchasing. If you have any questions, you can contact us through Amazon