Genuine OEM Volkswagen Door Seal Retaining Rail, part number 1K5831300J. This metal rail is designed to securely hold the door seal in its proper position, ensuring a tight seal against the elements. It is located on the front right side of the vehicle's door frame. Weighing 0.422 kg and measuring 0.66 m in length, this rail is critical for preventing water and wind intrusion. Choosing a genuine OEM retaining rail ensures precise fitment and durability, maintaining the vehicle's interior protection and noise insulation.