This Genuine Tohatsu Marine Part is a water pump impeller with the part number 3C7-65021-1. It is designed specifically for use in Tohatsu outboard motors and is made from high-quality materials to ensure reliable performance and long-lasting durability. The impeller is responsible for pumping water through the engine to prevent overheating and ensure optimal performance, making it an essential component for any boater. With this Genuine Tohatsu Marine Part, you can be confident that your outboard motor will operate smoothly and efficiently, even in challenging marine environments.