Genuine OEM Volkswagen Exhaust Nut, part number WHT011123. This nut fastens exhaust system components securely to prevent leaks and ensure proper assembly. It is located at position 9 in the exhaust system diagram. The nut is made of metal and has a compact size, suitable for its application in the exhaust assembly. Genuine OEM nuts ensure precise fitment and material strength, critical for high-temperature exhaust environments.