Genuine OEM Audi Engine Ventilation Pipe, part number 059103227L. This pipe is a crucial component of the engine's ventilation system, responsible for routing crankcase gases to maintain proper engine pressure and prevent oil contamination. It is located in the engine bay, connecting various ventilation system components. Measuring approximately 0.21 meters in length, this pipe is designed for precise fitment and resistance to engine fluids and temperatures. Using a genuine OEM ventilation pipe ensures correct material composition and routing, which is essential for engine health and emissions compliance.