The Genuine Tohatsu Marine Part is a Lower Unit Assembly (UL) with the part number 3B7Q87304-C. This part is specifically designed for Tohatsu outboard motors and is essential for the proper functioning of the lower unit. The lower unit assembly includes various components such as gears, bearings, and seals that work together to transfer power from the engine to the propeller. It is crucial to ensure that the lower unit is in good condition to maintain optimal performance and efficiency of the outboard motor. With this Genuine Tohatsu Marine Part, you can be confident in its quality and compatibility with your Tohatsu outboard motor.