Genuine OEM Volkswagen Roof Reinforcement, part number 7C0817133. This part strengthens the roof structure of the vehicle. It is located at position 6 in the roof assembly diagram. This reinforcement weighs 0.0963 kg and measures 0.152m in length, 0.045m in width, and 0.032m in height. Genuine OEM reinforcements provide the exact material properties and dimensions needed for reliable structural support.