Genuine OEM Audi Headlight Vent Hose, part number 4H0941718B. This hose is designed to provide essential ventilation for the headlight assembly, preventing moisture buildup and condensation inside the lamp housing. It is positioned on the right side of the front headlight. Made from durable rubber, this hose weighs 0.0306 kg. Choosing a genuine OEM vent hose ensures correct routing, proper material resistance to heat and elements, and effective moisture management to maintain headlight clarity and longevity.