Genuine OEM Volkswagen Exterior Mirror Housing, part number 6R1857507C9B9. This component forms the main body of the exterior mirror assembly, designed to enclose and protect the internal mechanisms, wiring, and motor. It provides structural integrity for the mirror glass and cap. The housing features a Satin Black (9B9) finish, ensuring a factory-matched appearance. Choosing a genuine OEM mirror housing guarantees precise fitment, durable construction, and proper integration with the vehicle's electrical system for reliable operation.