Genuine OEM Volkswagen Lower Sliding Door Runner, part number 2K4843865. This component guides the smooth movement of a sliding door, ensuring proper function and alignment within the door assembly. Positioned on the lower left side, it provides the track for the door's rollers. Weighing 0.152 kg and measuring 0.95m in length, this runner is precisely engineered. Using a genuine OEM runner ensures exact fitment and durability, preventing door binding or misalignment issues.