Genuine OEM Volkswagen Exterior Mirror Housing, part number 5NN857508M9B9. This component forms the primary structural body of the exterior side mirror, providing support for internal mechanisms and the mirror glass. It is positioned as the main base of the exterior mirror assembly. The housing is finished in Satin Black (9B9). Opting for a genuine OEM mirror housing ensures a precise fit for all internal components, factory-matched aesthetics, and durable construction against road elements.