Genuine OEM Audi Breather Line, part number 057103227AE. This component is crucial for the engine's ventilation system, safely routing crankcase gases to prevent pressure buildup and maintain optimal engine performance. It is located within the engine assembly, connecting various points for gas circulation. Constructed from durable, heat-resistant materials, this line measures approximately 0.48 meters in length. Choosing a genuine OEM breather line ensures precise fitment, correct routing geometry, and long-term resistance to engine heat and oil vapors.