Genuine OEM Audi Exterior Mirror Mounting, part number 8R1857409ANT94. This component serves as the crucial bracket that securely attaches the entire exterior mirror assembly to the vehicle's door frame. It is positioned on the left (driver's) side. Weighing approximately 1.92 kg, this mounting ensures the mirror remains stable and correctly aligned. Choosing a genuine OEM mounting guarantees precise bolt patterns and structural integrity, preventing vibration and ensuring the mirror's long-term stability and proper function.