Genuine OEM Volkswagen Rear Shock Absorber Stop Buffer, part number 1EA511357E. This essential suspension component is designed to limit the upward travel of the rear shock absorber, preventing it from bottoming out and protecting other suspension components from damage. It absorbs excess energy during extreme compression. Weighing 0.136 kg, this genuine OEM buffer is manufactured to precise specifications, ensuring optimal damping characteristics and durability for consistent ride comfort and vehicle control.