Genuine OEM Audi Rear Coil Spring, part number 8J0511115AR. This essential suspension component is designed to support the vehicle's weight and absorb road shocks, contributing to ride comfort and stable handling. It is located in the rear suspension assembly. Weighing 2.567 kg, this coil spring is manufactured from high-quality steel for durability and consistent performance. Using a genuine OEM coil spring ensures the correct spring rate and height, maintaining the vehicle's intended ride characteristics and preventing premature wear on other suspension components.