Genuine OEM Volkswagen Side Mirror Glass, part number 5C6857521P. This mirror glass provides a clear and accurate reflective surface for the vehicle's exterior side mirror assembly, essential for safe driving and visibility. It comes complete with a backing plate for direct installation into the mirror housing. Engineered to OEM standards, it ensures optimal clarity, distortion-free reflection, and proper integration with heating or dimming functions if applicable. Using genuine OEM mirror glass guarantees correct dimensions, curvature, and optical quality, which is vital for maintaining driver awareness and safety.