Genuine OEM Volkswagen Heated Mirror Glass, part number 561857521A. It provides a heated reflective surface for clear rearward visibility, especially in cold or foggy conditions. This mirror glass is designed for the left side of the vehicle. Weighing 0.187 kg, it measures 0.18m x 0.12m x 0.038m. A genuine OEM mirror glass ensures proper heating element function, optical clarity, and precise fitment within the mirror housing for optimal safety.