This Genuine Tohatsu Marine Part is a thermostat cap with the part number 3B7B01031-0. It is designed specifically for Tohatsu outboard motors and is an essential component for regulating the engine's temperature. The thermostat cap helps maintain the optimal operating temperature of the engine by controlling the flow of coolant. It is made from high-quality materials to ensure durability and reliability, and it is a genuine Tohatsu part, guaranteeing a perfect fit and compatibility with your Tohatsu outboard motor.