Genuine OEM Audi Engine Breather Line, part number 06J103213B. This line allows gases to escape from the engine crankcase, playing a vital role in engine ventilation and emissions control. It features a corrugated plastic hose with a heat-shielded section and an integrated valve/sensor. Weighing 0.0625 kg and measuring 0.3 meters in length, its specific design ensures proper routing and connection. Using a genuine OEM breather line guarantees the correct material resistance to oil and heat, precise valve calibration, and proper sealing, preventing vacuum leaks and engine performance issues.