Genuine OEM Audi Crankshaft Pulley, part number 06H105243K. This critical engine component transfers rotational power from the crankshaft to various engine accessories via the serpentine belt. It also functions as a harmonic balancer, dampening torsional vibrations to protect the crankshaft and other rotating parts. Weighing approximately 1.79 kg, this pulley is engineered to exact factory tolerances. Choosing a genuine OEM crankshaft pulley ensures precise fitment, optimal vibration dampening, and the durability required for reliable engine performance.