Genuine OEM Audi Exterior Mirror Mounting, part number 82B857409F9B9. This critical component serves as the base for the exterior mirror assembly, securely attaching it to the vehicle's door. It is designed for the left side of the vehicle. Finished in Satin Black (color code 9B9), this mounting ensures a precise fit and maintains the vehicle's original aesthetic. Choosing a genuine OEM mirror mounting guarantees the correct structural integrity, precise alignment, and compatibility with other mirror components for reliable long-term performance.