Genuine OEM Audi Oil Pressure Line, part number 420317818C. This line is responsible for carrying pressurized oil from the oil pump to other parts of the engine or transmission, ensuring proper lubrication and cooling. It is designed to withstand high oil pressures and temperatures. The precise bends and connection fittings ensure it integrates seamlessly into the existing system. Genuine OEM oil lines are manufactured with specific material properties to guarantee reliability and prevent leaks.