This Genuine Tohatsu Marine Part is a crankcase head with the part number 3F3B01291-0. It is designed specifically for Tohatsu outboard motors and is an essential component of the engine's crankcase assembly. The crankcase head plays a crucial role in sealing the top of the crankcase, ensuring proper compression and preventing oil leaks. Made with high-quality materials, this genuine Tohatsu part guarantees durability and reliable performance. Whether you are replacing a worn-out crankcase head or performing maintenance on your Tohatsu outboard motor, this genuine part is the perfect choice to ensure optimal engine performance and longevity.