Genuine OEM Volkswagen Exterior Mirror Housing, part number 5H1857508AK9B9. This is the main housing for the exterior mirror assembly, providing structural support and mounting points for other mirror components. It is located on the driver or passenger side of the vehicle. Features a Satin Black K9B9 finish. Genuine OEM exterior mirror housings are manufactured to precise specifications to ensure correct fitment and durability, maintaining the original aesthetic and function of the vehicle.