Genuine OEM Volkswagen Rear Coil Spring, part number 1K0511115CT. This critical suspension component is designed to support the vehicle's weight and absorb impacts from road imperfections, contributing to ride comfort and handling stability. It is installed in the rear axle assembly. Weighing approximately 2.745 kg, this spring is engineered to precise specifications. Opting for a genuine OEM coil spring ensures the correct spring rate, height, and material quality, which are vital for maintaining the vehicle's intended ride dynamics and safety.