Genuine OEM Audi Active Charcoal Canister Valve, part number 079133240BE. This valve is a critical component of the evaporative emissions (EVAP) system, responsible for controlling the flow of fuel vapors from the active charcoal canister to the engine. It helps prevent harmful emissions from escaping into the atmosphere. Weighing 0.298 kg, this assembly ensures precise vapor management. Genuine OEM valves provide accurate calibration and reliable operation, crucial for maintaining emissions compliance and optimal engine performance.