The Genuine Tohatsu Marine Part is a relief valve (UP) designed specifically for Tohatsu outboard motors. It is a crucial component that helps regulate pressure within the engine, ensuring optimal performance and preventing damage. The part number for this relief valve is 3B7-77443-0, and it is a genuine Tohatsu replacement part. It is also compatible with part number 3B7-77440-1. This high-quality valve is manufactured to the highest standards, guaranteeing a perfect fit and reliable operation. Whether you are replacing a worn-out valve or performing routine maintenance, this Genuine Tohatsu Marine Part is the ideal choice to keep your outboard motor running smoothly on the water.