Genuine OEM Audi Rear Coil Spring, part number 8J0511115AQ. This essential suspension component is designed to support the vehicle's weight and effectively absorb road shocks and vibrations. It is positioned in the rear suspension assembly. Weighing 2.667 kg and measuring 0.32 meters in length, this coil spring ensures factory tolerance for vibration-free service life and maintains the intended ride height and handling characteristics.