This Genuine Tohatsu Marine Part is a thermostat with the part number 345-01030-0. It is designed specifically for Tohatsu outboard motors. The thermostat plays a crucial role in regulating the engine's temperature by controlling the flow of coolant. It ensures that the engine operates at the optimal temperature for efficient and reliable performance. This high-quality Tohatsu thermostat is built to withstand the harsh marine environment and is a genuine replacement part for maintaining the longevity and performance of your Tohatsu outboard motor.