Genuine OEM Volkswagen Exterior Mirror Base Cover, part number 3C8857505E5AP. This component is a protective and aesthetic trim piece for the exterior mirror assembly. It is positioned at the base of the exterior mirror, covering the mounting hardware where the mirror attaches to the door. Finished in Black 5AP, it weighs approximately 0.341 kg. Using a genuine OEM mirror base cover ensures a precise fit, factory-matched finish, and proper protection against environmental elements, maintaining the vehicle's original appearance.