Genuine OEM Volkswagen Seal, part number 04F131547. This part functions as a seal within the exhaust gas recirculation (EGR) system, preventing leaks and ensuring proper operation. It is identified as number 5 in the diagram. The part is made of rubber and has dimensions of 0.078m x 0.045m x 0.012m. Genuine OEM seals are essential for emissions control systems to maintain integrity and prevent leaks.