This Genuine Tohatsu Marine Part is a Lower Unit Assembly (S) with the part number 3RSQ87301-3. It is a crucial component for the proper functioning of your Tohatsu outboard motor. The lower unit assembly is responsible for transferring power from the engine to the propeller, allowing your boat to move through the water. This genuine Tohatsu part ensures optimal performance, durability, and compatibility with your specific Tohatsu outboard motor model. Whether you need to replace a damaged lower unit assembly or upgrade your existing one, this genuine Tohatsu Marine Part is the perfect choice for maintaining the reliability and efficiency of your marine engine.