Genuine OEM Volkswagen Catalyst Seal, part number 7E0253115E. This crucial gasket is designed to create a leak-proof connection between exhaust system components, specifically preventing exhaust gases from escaping at the catalytic converter flange. It ensures the integrity of the exhaust system, maintaining proper back pressure and preventing harmful emissions. This metal seal weighs 0.017 kg and measures 0.13 m in length, 0.11 m in width, and 0.002 m in height. Using a genuine OEM seal guarantees the correct material composition and precise dimensions for a perfect, long-lasting seal, critical for exhaust system efficiency and noise reduction.