Genuine OEM Audi Rear Coil Spring, part number 8J0511115AS. This vital suspension component is responsible for supporting the vehicle's weight and absorbing shocks and vibrations from the road, contributing to ride comfort and stability. It is positioned in the rear suspension assembly. Weighing approximately 1.606 kg, this coil spring is manufactured to specific load-bearing and rebound characteristics. Choosing a genuine OEM coil spring ensures the correct spring rate, material fatigue resistance, and precise dimensions for maintaining factory ride height and handling dynamics.