Genuine OEM Audi Exterior Mirror Housing, part number 3C1857508CL9B9. This component is designed to enclose and protect the intricate electrical and mechanical components of the exterior side mirror assembly. It is finished in Satin Black (9B9) and weighs approximately 0.91 kg. Choosing a genuine OEM mirror housing ensures an exact fit, proper mounting points, and a factory-matched finish for seamless integration with the vehicle's body lines.