Genuine OEM Audi Rear Coil Spring, part number 8P0511115AA. This critical suspension component is designed to support the vehicle's weight and effectively absorb impacts and vibrations from the road surface, contributing to ride comfort and stability. It is installed on the rear axle of the vehicle. Weighing 2.251 kg and measuring 0.32 m in length, this coil spring features a durable black finish with factory paint markings. Opting for a genuine OEM coil spring ensures it meets precise factory specifications for spring rate, material fatigue resistance, and dimensions, which are crucial for maintaining correct ride height, handling, and overall suspension integrity.