Genuine OEM Audi Engine Oil Return Line, part number 059145735AR. This vital pipe is responsible for efficiently returning used oil to the engine's lubrication system, ensuring continuous and proper engine oil circulation. It features a durable metal construction with a flexible rubber section for optimal routing and vibration absorption. Weighing 0.165 kg and measuring 0.27m in length, this line is engineered for precise fitment. Using a genuine OEM oil return line guarantees correct material composition, pressure resistance, and exact routing geometry, preventing leaks and maintaining engine health.