This Genuine Tohatsu Marine Part is a Power Head Gasket Set, specifically designed for Tohatsu outboard motors. The part number for this set is 3A1-87121-6. Power head gaskets are essential components that create a seal between the engine block and the cylinder head, ensuring proper compression and preventing any leakage of fluids or gases. This high-quality gasket set is manufactured by Tohatsu, a trusted brand in the marine industry, and is designed to fit perfectly and provide reliable performance. It is recommended to use genuine Tohatsu parts for optimal compatibility and durability.