Genuine OEM Volkswagen Activated Carbon Tank, part number 5WA201801. This component is an essential part of the evaporative emissions control system, designed to store fuel vapors from the fuel tank and prevent their release into the atmosphere. It ensures compliance with emissions regulations and maintains air quality. Weighing 1.523 kg, this genuine OEM activated carbon tank provides the correct filtration media and sealing integrity for effective vapor adsorption and release, crucial for proper engine operation and environmental protection.