This Genuine Tohatsu Marine Part is a Power Head Gasket Set, specifically designed for Tohatsu outboard motors. The part number for this set is 3K9-87121-6. Power head gaskets are essential components that create a seal between the engine block and 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 known for its reliable and durable marine parts. It is designed to fit perfectly and provide a secure seal, ensuring optimal performance and longevity of your Tohatsu outboard motor.