Genuine OEM Volkswagen Gearbox Oil Pressure Line, part number 3D0317821J. This line is designed to supply pressurized oil to various gearbox components, crucial for their lubrication and hydraulic function. Constructed from durable metal and reinforced rubber hose, it weighs 0.627 kg and measures approximately 0.81 meters in length. Using a genuine OEM line ensures correct routing geometry, pressure resistance, and material compatibility, vital for gearbox reliability and performance.