Genuine OEM Audi EVAP Canister Vent Valve, part number 7L0906518. This valve is a key component of the evaporative emissions (EVAP) system, designed to precisely control the flow of fuel vapors from the charcoal canister to the engine for combustion. It is typically located within the engine bay or near the fuel tank assembly. Weighing approximately 0.135 kg, this compact plastic valve ensures proper system pressure and prevents harmful fuel vapors from escaping into the atmosphere. Choosing a genuine OEM EVAP vent valve guarantees correct electrical calibration, sealing integrity, and precise opening/closing characteristics for optimal emissions control and engine performance.