Genuine OEM Volkswagen Oil Pressure Line Return, part number 3C0317818A. This line is responsible for returning pressurized oil from various engine components back to the oil sump. It features a combination of rigid and flexible sections with specific routing and secure connections. Constructed from durable materials, it weighs approximately 0.489 kg. A genuine OEM oil return line ensures correct flow, leak-free connections, and resistance to high temperatures and pressures, vital for engine health and preventing oil starvation.