Genuine OEM Volkswagen Front Left Door Guide Rail, part number 7T0837417B. This guide rail is a critical component for ensuring the smooth and controlled movement of the door or its window mechanism. It is positioned within the front left door assembly. Weighing 0.143 kg, this rail is constructed for durability and precise fitment. Choosing a genuine OEM door guide rail guarantees the correct dimensions, material strength, and surface finish, preventing binding, excessive wear, and ensuring consistent door operation.