Genuine OEM Volkswagen Throttle Control Unit, part number 06A133062AA. This unit, also known as a throttle body, precisely controls the amount of air entering the engine based on the accelerator pedal position. It is mounted between the intake manifold and the air intake system. The unit contains a throttle plate and an electronic control mechanism. Genuine OEM throttle control units are calibrated for exact airflow management, ensuring optimal engine performance, fuel efficiency, and responsiveness.