Genuine OEM Audi Sealing Flange, part number 079103171AS. This sealing flange is designed to create a leak-proof seal between major engine components, such as the engine block and the cylinder head or timing cover. It is typically made of metal with a gasket or sealant surface. Genuine OEM sealing flanges are manufactured to exact specifications, ensuring a perfect fit and reliable sealing to prevent oil or coolant leaks and maintain engine integrity.