Genuine OEM Audi Front Fender Inner Gasket, part number 420821218D. This gasket is designed to seal the inner perimeter of the front fender, preventing the intrusion of water, dirt, and road debris into the engine bay and wheel well area. It is positioned along the inner edge of the front fender assembly. The precise molding and material composition of genuine OEM gaskets ensure a durable and effective seal against the elements, maintaining the integrity of the vehicle's bodywork.