Genuine OEM Volkswagen Hexagon Flange Nut, part number WHT009367. This self-locking nut features a flange that distributes load, used to secure the exhaust gas turbocharger. It provides a secure and vibration-resistant connection for the turbocharger assembly. Genuine OEM nuts are manufactured to exact specifications, ensuring proper torque and long-term reliability for high-temperature turbocharger applications.