Genuine OEM Volkswagen Suction Line Sealing Ring, part number 03H115133. This component provides a critical seal for a suction line connection, preventing leaks and ensuring proper system function. It is a small, circular ring, approximately 34mm in diameter and 8mm high. Choosing a genuine OEM sealing ring ensures the correct material composition and precise dimensions for a perfect fit and long-lasting, leak-free performance, crucial for maintaining fluid system integrity.