Genuine OEM Audi Rear Coil Spring, part number 8P0511115Q. This critical component is designed to absorb road shocks and support the vehicle's weight, maintaining proper ride height and stability. It is installed in the rear suspension assembly. Weighing 2.151 kg with dimensions of 0.32m x 0.14m x 0.14m, this coil spring is manufactured to factory tolerances, ensuring consistent performance and a long service life.