Genuine OEM Volkswagen Rear Coil Spring, part number 3C0511115AR. It supports the vehicle's weight and absorbs shocks, maintaining ride height and comfort. This coil spring is designed for the rear suspension assembly. Weighing 2.396 kg, it is constructed from durable spring steel. Genuine OEM coil springs are engineered to precise specifications for correct spring rate and fatigue resistance, crucial for consistent handling and safety.