Genuine OEM Volkswagen Door Mirror Glass, part number 5NM857521A. This mirror glass provides a reflective surface for viewing the rear, crucial for safe lane changes and parking. It is designed for the left side of the vehicle's exterior mirror assembly. Weighing approximately 0.191 kg, this glass ensures optical clarity and precise fitment. Choosing genuine OEM mirror glass guarantees the correct curvature, heating elements (if applicable), and anti-glare properties for optimal visibility and safety.