Genuine OEM Volkswagen Headlight Breather Line, part number 5NA998718. This small but essential component allows air to circulate within the headlight assembly, preventing condensation buildup and maintaining optimal light output. It is positioned on the right side of the front headlight unit. Weighing 0.044 kg and measuring 0.215 m in length, this genuine OEM breather line ensures proper ventilation, preventing moisture-related issues and preserving the longevity and clarity of the headlight.