Genuine OEM Audi Rear Coil Spring, part number 5Q0511121AS. This essential suspension component supports the vehicle's weight and absorbs road shocks, contributing to ride comfort and vehicle stability. It is designed for the rear suspension assembly. Weighing approximately 1.85 kg and measuring 0.325 m in length, this coil spring is engineered from high-strength steel. Choosing a genuine OEM coil spring ensures the correct spring rate, precise dimensions, and durable material for optimal suspension performance and longevity, maintaining factory ride quality and handling characteristics.