This Genuine Tohatsu Marine Part is a water pump impeller with the part number 3B7-65021-2. It is specifically designed for Tohatsu outboard motors and is used to circulate water through the engine cooling system. The impeller is responsible for drawing water from the surrounding environment and pushing it through the engine to prevent overheating. This high-quality Tohatsu water pump impeller ensures efficient water circulation, helping to maintain optimal engine temperature and performance. It is a reliable and durable replacement part that is essential for the proper functioning of your Tohatsu outboard motor.