Genuine OEM Audi Rear Coil Spring, part number 1EA511103FD. This essential suspension component is designed to support the vehicle's weight and effectively absorb road shocks and vibrations, contributing to ride comfort and stable handling. It is installed in the rear suspension assembly. Constructed from high-strength steel, this coil spring weighs approximately 3.2 kg and measures 0.35 meters in length. Opting for a genuine OEM coil spring guarantees the correct spring rate, precise dimensions, and metallurgical properties for optimal suspension performance and longevity.