[Tips] : We will show more detailed information about the product on the details page below to ensure that we can help you to buy the correct replacement part [Note] : In order to prevent purchasing the wrong unsuitable part, which could result in wasted time, you need to determine suitability by using the information on the engine nameplate [Adaptation] : Part of the Evinrude Johnson OMC(40,50,55HP), 2-Stroke Engine [OEM#] : Replacing part numbers For Evinrude Johnson OMC 0377230 , 0777213 , 0777821 , Sierra 18-3083 , Mallory 9-45209 [Quality] : Original level of quality and durability, the impellers are manufactured from high quality rubber and will not be damaged even after long periods of immersion in salt water The KUNOANZ Water Pump Impeller is designed for Evinrude Johnson 2-Stroke Outboard engines with 35, 40, 50, or 55 HP. This original quality impeller, with part numbers 0377230, 0777213, 0777821, and Sierra 18-3083, is manufactured from high-quality rubber ensuring durability even after long-term exposure to saltwater. To ensure the correct purchase, determine suitability by checking the engine nameplate. This impeller is a replacement part for specific Evinrude Johnson OMC engines and is compatible with boat outboard engines. With accurate dimensions and care instructions included in the product details, this water pump impeller is a reliable and durable choice for your engine's needs.