Genuine OEM Audi Turbocharger Supply Oil Line, part number 03G145771Q. This critical component is responsible for delivering a consistent supply of lubricating and cooling oil to the turbocharger. Its precise routing geometry and robust construction ensure reliable oil flow under high pressure and temperature conditions. Measuring approximately 0.445 meters in length, this line is designed for exact fitment. Choosing a genuine OEM oil line guarantees the correct material composition and pressure resistance, preventing leaks and ensuring the longevity of the turbocharger.