Genuine OEM Audi Headlight Housing Vent Hose, part number 4N0941718. This hose is designed to allow air to circulate efficiently, providing crucial ventilation for the headlight housing. It is installed on the right side of the vehicle. Made from durable, flexible material, it ensures proper airflow and prevents condensation. Choosing genuine OEM hoses ensures correct routing and material specifications for reliable, long-lasting headlight performance.