Genuine OEM Volkswagen exterior mirror housing, part number 5NN857507AD9B9. This is the outer shell for the side mirror assembly, providing protection and housing for the mirror components. It is located on the exterior of the vehicle, typically on the driver or passenger side door. Finished in Satin Black with the color code 9B9. Genuine OEM parts ensure exact fitment and factory-quality finish for a seamless replacement.