Genuine OEM Audi Cylinder Head Vent Hose, part number 079103209AF. This intricate hose assembly is responsible for precisely routing and venting gases from the cylinder head, playing a vital role in engine ventilation and emissions system functionality. It is a multi-component assembly made from durable rubber and plastic, weighing 0.252 kg and measuring 0.635 m in length. Opting for a genuine OEM vent hose ensures the exact routing geometry, correct connector types, and resistance to engine fluids and temperatures, preventing leaks or blockages in the critical ventilation system.