This Genuine Tohatsu Marine Part is a crankshaft assembly, specifically designed for Tohatsu outboard motors. The part number for this crankshaft is 3M2-00031-1. It is a high-quality component that ensures smooth and efficient engine operation. The crankshaft is responsible for converting the reciprocating motion of the pistons into rotational motion, providing power to the propeller. It is a crucial part of the engine's internal combustion system. With the part number 803672005, this Genuine Tohatsu Marine Part guarantees a perfect fit and reliable performance for your Tohatsu outboard motor.