Genuine OEM Audi Rear Axle Eccentric Washer, part number WHT001656. This specialized metal washer is crucial for adjusting the alignment of the rear axle. Its eccentric design allows for fine-tuning of suspension geometry, ensuring proper wheel angles and handling. Measuring 0.035 meters in diameter and 0.003 meters thick, it is a precision component. Using genuine OEM eccentric washers ensures accurate alignment adjustments and maintains factory ride characteristics.