Genuine OEM Audi Left Wing Mirror Glass, part number 8Y0857535B. This mirror glass provides a critical reflective surface for clear rearward visibility on the left side of the vehicle, enhancing driving safety. Weighing 0.142 kg, a genuine OEM mirror glass ensures the correct curvature, optical clarity, and precise fit within the mirror housing, which are essential for accurate reflections and proper integration with any heating or dimming functions.