The Genuine Tohatsu Marine Part is a water pressure meter assembly designed specifically for Tohatsu outboard motors. It is a reliable and accurate instrument that allows you to monitor the water pressure in your engine. The part number for this assembly is 3B7-72598-0 and 3E0-72598-0. It is a genuine Tohatsu part, ensuring high quality and compatibility with your Tohatsu outboard motor. With this water pressure meter assembly, you can easily keep track of the water pressure in your engine, ensuring optimal performance and preventing any potential issues.