This Genuine Tohatsu Marine Part is a crankshaft assembly with the part number 3FW-00030-1. It is specifically designed for Tohatsu outboard motors and is a crucial component in the engine's operation. The crankshaft assembly is responsible for converting the reciprocating motion of the pistons into rotational motion, which powers the propeller and propels the boat forward. Made with high-quality materials and precision engineering, this Genuine Tohatsu Marine Part ensures optimal performance, durability, and reliability for your outboard motor. Whether you are replacing a worn-out crankshaft or performing maintenance on your Tohatsu engine, this genuine part is the perfect choice to keep your marine vessel running smoothly on the water.