Genuine OEM Audi Ventilation Line, part number 4M0201995P. This line provides a critical path for ventilation within the vehicle's fuel or emissions system, ensuring proper pressure balance and preventing the release of harmful vapors. It is precisely routed and positioned on the rear right side of the vehicle. Weighing 0.183 kg and measuring 1.6 meters in length, this line is engineered for exact fitment and durability. Choosing a genuine OEM ventilation line ensures correct routing geometry, material compatibility, and leak-free operation, which is vital for emissions compliance and system reliability.