This Genuine Tohatsu Marine Part is an impeller with the part number 3HT-65313-0. The impeller is a crucial component in the water pump system of your Tohatsu outboard motor. It is responsible for drawing water into the engine and cooling it down to prevent overheating. This high-quality impeller is designed specifically for Tohatsu motors, ensuring optimal performance and durability. It is recommended to regularly inspect and replace the impeller to maintain the efficiency and reliability of your outboard motor.