Genuine OEM Volkswagen Breather Vent Hose, part number 070103474E. This hose is an integral part of the engine's crankcase ventilation system, allowing for the controlled release of pressure and gases from the crankcase. It connects various components within the PCV system. Made from durable, flexible plastic, it weighs 0.0385 kg and measures 0.248m in length. Choosing a genuine OEM breather hose ensures correct routing geometry, resistance to oil and heat, and proper sealing, preventing vacuum leaks and maintaining efficient engine operation and emissions control.