Genuine OEM Audi Headlight Housing Ventilation Hose, part number 4K0941718. This hose is essential for providing adequate ventilation to the headlight housing, preventing moisture buildup and maintaining optimal operating temperatures. It is positioned on the front, right side of the vehicle. Constructed from flexible, resilient material, it ensures long-term performance. Genuine OEM hoses guarantee precise fitment and material integrity, crucial for protecting sensitive headlight electronics and optics.