Genuine OEM Audi Turbo Oil Line Gasket, part number 058145757A. This small, two-hole gasket is specifically designed to create a leak-proof seal at the turbocharger oil line connection. Its function is crucial for maintaining proper oil pressure and preventing oil leaks in the turbo system. Using a genuine OEM gasket ensures the correct material composition and precise dimensions for a reliable, long-lasting seal under high-temperature and pressure conditions.