078133063AG Butterfly Box Valve Audi A4 2.4, Throttle Body Valve, Throttle Body

The throttle body is a valve that controls how much air is inhaled by the engine. It is a circular steel plate with a shaft in the middle, which is connected to the throttle cable and controlled by the throttle cable. The throttle body is a device on the engine's air intake system. The throttle body is generally divided into three parts: the actuator, the throttle plate and the throttle position sensor, which are generally packaged as a whole. The water pipe on the side returns exhaust gas to meet certain emission standards.