Genuine OEM Volkswagen Breather Hose, part number 06H103213Q. This hose is an essential component of the engine's crankcase ventilation system, designed to safely vent crankcase gases and prevent pressure buildup. It connects various points within the engine's upper assembly. With approximate dimensions of 440mm length, 290mm width, and 110mm height, it features a specific routing geometry. Using a genuine OEM breather hose ensures the correct material resistance to oil and heat, along with precise routing and connection points, which are critical for maintaining engine efficiency and emissions compliance.