Genuine OEM Audi Left Side Mirror Housing, part number 8Y1857409C9B9. This component forms the main structural base of the exterior side mirror assembly, securely holding the mirror glass and internal mechanisms. It is designed for the front left side of the vehicle. Finished in Satin Black (9B9), this housing weighs 1.497 kg. Choosing a genuine OEM mirror housing ensures correct mounting points, structural integrity, and compatibility with other mirror components, maintaining the vehicle's safety and aesthetic standards.