Genuine OEM Volkswagen Exterior Mirror Housing, part number 1K8857508Q9B9. This is the outer shell for the side mirror assembly, designed to protect the internal components and provide the correct aerodynamic contour. It is located on the driver or passenger side of the vehicle. Finished in Satin Black (9B9). Genuine OEM exterior mirror housings ensure precise fitment and factory-matched paint preparation for optimal integration with the vehicle's body.