Genuine OEM Volkswagen Activated Charcoal Container, part number 5Q0201797F. This container is a key part of the evaporative emission control system, responsible for absorbing and storing fuel vapors from the fuel tank. It is identified as position 1 on the diagram. This specific unit weighs 1.9 kg and has dimensions of 0.455m x 0.23m x 0.195m. Using genuine OEM parts guarantees the correct material composition and structural integrity for reliable operation and compliance with emission standards.