Genuine OEM Audi Sealing Flange, part number 05A103171C. This sealing flange is an integral part of the engine assembly, designed to create a tight seal around a specific component or passageway, typically to prevent the leakage of oil or coolant. It is located on the engine block or cylinder head. This part is manufactured with precise dimensions and material properties to ensure its sealing effectiveness. Genuine OEM sealing flanges guarantee the correct material composition and exact fitment required to maintain engine integrity and prevent fluid leaks.