Genuine OEM Audi Front Suspension Strut Bumper, part number 5Q0412303A. This essential component is designed to prevent harsh bottoming out of the suspension strut, protecting the shock absorber from damage. It is typically installed on the front suspension assembly. Constructed from durable rubber or urethane, it absorbs excess compression forces. Using a genuine OEM bump stop ensures the correct material properties and progressive damping characteristics for optimal ride comfort and suspension longevity.