Genuine OEM Audi Strut Stop Buffer, part number 4F0512131C. This essential suspension component is designed to limit the upward travel of the suspension strut, preventing harsh bottoming out and protecting the strut and other suspension parts from damage during extreme compression. It contributes to ride comfort and extends the lifespan of the suspension system. Made from a durable, resilient foam or rubber material, it weighs approximately 0.0882 kg. Using a genuine OEM strut stop buffer ensures the correct material properties, compression characteristics, and precise fitment for optimal suspension performance and vehicle handling.