Genuine OEM Audi Transmission Oil Cooler Pressure Line, part number 8K0317826AQ. This line is designed to carry pressurized oil from the transmission to the transmission oil cooler, ensuring proper fluid circulation and temperature regulation. It is positioned between the transmission and the external oil cooler. Constructed from durable metal tubing with flexible hose sections, it is engineered for high-pressure fluid transfer. Choosing a genuine OEM line ensures precise fitment, correct routing geometry, and resistance to high temperatures and pressures, critical for the longevity and performance of the transmission system.