Genuine OEM Volkswagen Exhaust Manifold Seal, part number 0XW253115. This seal creates a tight seal between the exhaust manifold and the cylinder head to prevent exhaust gases from escaping. It is located in the exhaust system, specifically at the manifold-to-head connection. This seal is typically made of a high-temperature resistant material. Genuine OEM seals are critical for maintaining exhaust system integrity and preventing dangerous gas leaks.