Genuine OEM Volkswagen Throttle Control Element, part number 8V0862153C. This element regulates the amount of air entering the engine, controlling engine speed and power output. It is located at position 1 in the diagram. The part measures 0.115m x 0.075m x 0.065m and weighs 0.075kg. Genuine OEM throttle control elements are precisely calibrated to ensure optimal engine performance and fuel efficiency.