Genuine OEM Volkswagen Rear Coil Spring, part number 5QF511115BQ. This essential suspension component supports the vehicle's weight and absorbs road shocks, contributing to ride comfort and stability. Positioned in the rear suspension assembly, it is crucial for maintaining proper ride height and handling characteristics. Weighing approximately 2.66 kg and measuring 0.35 meters in length. Using a genuine OEM coil spring ensures precise spring rates and dimensions, critical for maintaining factory-specified ride quality and suspension geometry.