Genuine OEM Volkswagen Form Rail, part number 7C4860168B. This part provides a shaped guide or support for other components, ensuring their correct positioning and movement. It is located at position 45 in the assembly. The rail measures 3.35 meters in length, 0.123 meters in width, and 0.05 meters in height. As a critical guide component, genuine OEM ensures precise fitment and material integrity for reliable operation.