Genuine OEM Volkswagen O-Ring, part number WHT007085B. This circular, elastomeric ring is used to create a seal between two mating surfaces, preventing leaks. It is located in the intake system, specifically around the turbocharger outlet pipe. Made from a durable rubber compound to withstand engine bay temperatures and pressures. Genuine OEM O-rings provide a reliable seal, crucial for maintaining system integrity and preventing air leaks.