Genuine OEM Audi exhaust flange gasket, part number 4F0253115G. This component provides a reliable, high-temperature seal at the exhaust pipe flange, ensuring that exhaust gases are contained within the system. It is positioned at the exhaust pipe joint as indicated in the assembly diagram. Made from specialized heat-resistant materials, this gasket is designed to maintain its structural integrity under the extreme temperatures and pressures found in the exhaust stream. Genuine OEM exhaust gaskets are vital for preventing leaks that could affect sensor readings and overall emissions performance.