Genuine OEM Volkswagen Rear Axle Coil Spring, part number 3Q0511115AL. This coil spring is a crucial suspension component, providing support and absorbing road shocks for a smoother ride. It is located on the rear axle and works in conjunction with the shock absorber to maintain proper vehicle height and handling characteristics. The precise spring rate and material composition of genuine OEM springs ensure optimal performance and longevity, contributing to a safe and comfortable driving experience.