Genuine OEM Audi Crankshaft Washer, part number WHT003517. This precision-engineered washer supports the crankshaft's rotational movement, often functioning as a thrust washer to control axial play. It is critical for maintaining proper clearances within the engine's rotating assembly. Weighing 0.008 kg and measuring 0.085 m in diameter, this metal washer ensures smooth and stable operation. Using a genuine OEM washer guarantees the correct material hardness, thickness, and surface finish for reliable engine performance and longevity.