This Genuine Tohatsu Marine Part is a Lower Unit Gasket Set with the part number 3F3-87321-1. It is designed specifically for Tohatsu outboard motors and is used to seal the lower unit of the engine. The gasket set includes all the necessary gaskets and seals to ensure a proper and secure fit, preventing any leaks or damage to the lower unit. This genuine Tohatsu part is made with high-quality materials and is built to withstand the harsh marine environment, providing reliable performance and durability.