This Genuine Tohatsu Marine Part is a Lower Unit Assembly (UL) with the part number 3RSQ87304-0. It is designed specifically for Tohatsu outboard motors and is a crucial component for the proper functioning of the engine. The lower unit assembly is responsible for transferring power from the engine to the propeller, allowing the boat to move forward or backward. It consists of various gears, shafts, and seals that work together to ensure smooth and efficient operation. This genuine Tohatsu part guarantees high-quality and reliable performance, making it an essential replacement or upgrade for your marine engine.