Genuine OEM Audi Headlight Housing Vent Hose, part number 83A941718A. This hose is designed to allow for proper ventilation of the headlight housing, preventing condensation buildup and maintaining optimal light output. It is located on the right side of the headlight assembly. Weighing 0.029 kg, this genuine OEM hose ensures correct routing geometry and material resistance, vital for the longevity and clarity of the headlight unit.