Genuine OEM Audi Gearbox Oil Pressure Line, part number 8R0317818BD. This robust metal line is engineered to transport oil under pressure within the transmission system, ensuring proper lubrication, cooling, and hydraulic function of the gearbox components. It is an integral part of the transmission's fluid circulation. Weighing approximately 0.4587 kg, this line is designed to withstand high pressures and temperatures. Using a genuine OEM pressure line guarantees the correct material composition, precise routing geometry, and secure connections, preventing leaks and maintaining the integrity and performance of the transmission system.