Genuine OEM Audi Door Mirror Base, part number 8K1857410AJ01C. This component serves as the core structure for the exterior side mirror, housing the motor and wiring for adjustment, heating, and folding functions. It is designed for installation on the front right-hand side of the vehicle. The base is finished in Satin Black 01C, providing a factory-matched appearance. Using a genuine OEM mirror base ensures precise fitment, correct electrical integration, and the durability required for reliable long-term operation.