Genuine OEM Volkswagen Reduction Agent Tank Breather Line, part number 2E0201083. This line is crucial for the reduction agent system, allowing air to enter and exit the tank to maintain proper pressure and prevent vacuum lock or over-pressurization. It connects directly to the reduction agent tank. Weighing 0.05 kg, this component is precisely engineered for correct routing and material compatibility. Genuine OEM lines ensure exact fitment and resistance to the specific fluids and environmental conditions, preventing leaks and system malfunctions.