Genuine OEM Audi Headlight Housing Air Hose, part number 4K0941717. This hose is crucial for facilitating proper air circulation and ventilation within the headlight housing. It is specifically designed for the left side of the vehicle. Made from durable, heat-resistant rubber, it maintains optimal internal conditions for headlight components. Genuine OEM hoses ensure correct routing geometry and material resistance to environmental factors, preventing condensation and premature component failure.