Genuine OEM Volkswagen Door Mirror Glass, part number 6R0857521F. This mirror glass provides a clear reflective surface essential for safe rearward visibility. It is designed for the left-hand side of the vehicle, typically mounted in the exterior door mirror assembly. Weighing 0.126 kg and measuring 0.145 meters in length by 0.11 meters in width, this genuine OEM mirror glass ensures precise fitment and optical clarity. Using genuine OEM mirror glass guarantees the correct curvature, heating element compatibility (if applicable), and durable reflective coating for long-lasting performance and safety.