Genuine OEM Audi Rear Shock Absorber Bump Stop, part number 3B0512131H. This component is designed to prevent excessive compression of the rear shock absorber, protecting the suspension system from damage during severe impacts or full suspension travel. It is installed on the rear shock absorber. Weighing 0.11 kg and measuring 0.135 m in length. A genuine OEM bump stop ensures the correct material composition and density for optimal energy absorption and durability, maintaining ride comfort and suspension longevity.