Genuine OEM Volkswagen Engine Breather Hose, part number 022103474B. This vital hose is responsible for managing crankcase ventilation and pressure, preventing harmful pressure buildup and ensuring proper engine operation. It connects various components within the crankcase ventilation system. Constructed from durable, heat-resistant material, this corrugated black hose measures approximately 53cm in length. Using a genuine OEM breather hose guarantees correct routing geometry, material integrity, and resistance to oil and heat, preventing leaks and maintaining emissions compliance.