Genuine OEM Volkswagen Engine Vent Hose, part number 057103237K. This hose plays a crucial role in the engine's crankcase ventilation system, allowing for the controlled release of blow-by gases and maintaining optimal internal engine pressure. It is located within the engine assembly. Measuring 0.145 meters in length and weighing 0.06 kg, this genuine OEM hose ensures precise fitment and resistance to oil and heat. Using an authentic part guarantees the correct material composition and routing for effective engine ventilation and emission control.