Genuine OEM Volkswagen Lower Sliding Door Rail, part number 2K7843866. This rail is a critical component for the smooth and secure operation of the vehicle's sliding door. It is positioned on the lower right side of the door opening, providing the track along which the door glides. Measuring 0.82 meters in length and weighing 0.135 kg, this rail is precisely formed for optimal function. Using a genuine OEM rail ensures proper door alignment, effortless movement, and long-term durability, preventing wear and tear on the door mechanism.