Genuine OEM Volkswagen Crankshaft, part number 028105101S. This essential engine component converts the reciprocating motion of the pistons into rotational motion, which ultimately powers the vehicle. It is a central part of the engine's internal rotating assembly. This crankshaft weighs 0.015 kg. Genuine OEM crankshafts are manufactured with extremely tight tolerances to ensure smooth operation, minimize vibration, and provide optimal engine performance and durability.