Genuine OEM Audi Engine Throttle Valve, part number 4E0145950J. This vital component precisely regulates the amount of air entering the engine's intake manifold, which is essential for controlling engine speed and power output. It is an integral part of the engine's air intake system. Weighing 0.833 kg and measuring 0.124m x 0.114m x 0.075m, a genuine OEM throttle valve ensures accurate sensor readings, precise electronic control, and reliable operation, which are crucial for engine efficiency and responsiveness.