This Genuine Tohatsu Marine Part is a crankshaft assembly with the part number 3RS-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. As a genuine Tohatsu part, you can trust its quality and compatibility with your Tohatsu marine engine. Whether you need to replace a worn-out crankshaft or perform maintenance on your engine, this crankshaft assembly is designed to meet the highest standards of performance and durability.