Genuine OEM Audi Exterior Mirror Mounting, part number 8K1857410AH01C. This critical component serves as the structural base, securely attaching the entire exterior mirror assembly to the vehicle door. It ensures the mirror remains stable and correctly positioned for optimal visibility. Weighing 1.412 kg, this mounting is engineered to precise factory specifications. Using a genuine OEM mirror mounting guarantees exact fitment, proper alignment, and the necessary strength to withstand road vibrations and impacts, maintaining the mirror's integrity.