Genuine OEM Volkswagen Exterior Mirror Housing, part number 2G1857507S9B9. This component forms the main outer casing of the exterior mirror assembly. It protects the internal mirror mechanisms and provides the aerodynamic shape of the mirror. The housing is finished in Satin Black (9B9). Choosing genuine OEM ensures precise fitment, proper integration of internal components, and a durable, factory-matched finish that withstands environmental elements.