Genuine OEM Audi Shock Absorber Stop Buffer, part number 2Q0511351C. This buffer is designed to limit the travel of the shock absorber, preventing bottoming out and protecting suspension components from damage. It is installed in the rear suspension assembly. Weighing 0.105 kg and measuring approximately 0.12m in length, this genuine OEM part ensures precise damping characteristics and durability for a comfortable and controlled ride.