Genuine OEM Audi Oil Pressure Line, part number 3D0317815F. This essential component carries oil under pressure within the engine system, ensuring proper lubrication and cooling. It is part of the oil cooling assembly, connecting to the oil cooler. Weighing 0.408 kg and measuring approximately 0.3 meters in length, this line is built to factory specifications. Choosing a genuine OEM oil line ensures correct routing geometry, pressure resistance, and material compatibility for safe and leak-free operation.