Genuine OEM Audi Oil Pressure Line, part number 4F0317821P. This line is crucial for carrying pressurized oil to various engine components, ensuring proper lubrication and cooling within the engine system. It connects key parts of the oil circulation system, including the oil cooler. Weighing 0.216 kg and measuring 0.44 meters in length, this line is engineered to precise factory specifications. Choosing a genuine OEM oil line ensures correct routing geometry, material resistance to high pressure and temperature, and leak-free performance for optimal engine health.