This Genuine Tohatsu Marine Part is a Cam Angle Sensor with the part number 3SS-07817-0. It is specifically designed for Tohatsu outboard motors and is used to measure the camshaft position and send this information to the engine control unit. The cam angle sensor plays a crucial role in ensuring accurate ignition timing and fuel injection, resulting in optimal engine performance and fuel efficiency. This genuine Tohatsu part guarantees high quality and compatibility with your Tohatsu outboard motor, providing reliable and long-lasting performance on the water.