Genuine OEM Volkswagen Sealing Flange, part number 045103153. This sealing flange is a critical component for maintaining engine integrity, typically used to seal areas such as the crankshaft or oil pump. It is identified as item number 21 in the diagram. Manufactured to precise specifications, genuine OEM sealing flanges ensure a leak-free seal and proper engine function. The exact fit and material properties are essential for long-term durability.