Genuine OEM Audi Charcoal Canister, part number 3Q0201801A. This essential component of the evaporative emissions control system is responsible for absorbing fuel vapors from the fuel tank, preventing their escape into the environment. It is typically located near the fuel tank, integrated into the vehicle's emissions system. Weighing approximately 1.067 kg and measuring 0.44m x 0.2m x 0.08m, it is manufactured to exact specifications. Opting for a genuine OEM charcoal canister ensures efficient vapor capture and proper system functionality, which is critical for environmental compliance and maintaining optimal engine performance.