Genuine OEM Audi Engine Breather Line, part number 8X0201994. This flexible hose is an essential component of the engine's ventilation system, allowing for proper crankcase pressure regulation and preventing oil contamination. It connects various engine components to facilitate the flow of crankcase gases. Constructed from durable, heat-resistant materials, it weighs approximately 0.076 kg. Using a genuine OEM breather line ensures precise routing, correct material composition for oil and heat resistance, and proper sealing to prevent vacuum leaks and maintain engine efficiency.