This Genuine Tohatsu Marine Part is a crankshaft assembly with the part number 3T1-00030-0. The crankshaft is a vital component in the engine that converts the reciprocating motion of the pistons into rotational motion, providing power to the boat's propeller. This assembly is specifically designed and manufactured by Tohatsu, ensuring high quality and compatibility with Tohatsu outboard motors. It is a reliable and durable part that is essential for the smooth operation and performance of your marine engine.