Genuine OEM Volkswagen Throttle Housing, part number 04L128063R. This essential component contains the throttle valve, which precisely regulates the amount of air entering the engine's intake manifold. It is crucial for controlling engine speed and power output. Constructed from durable cast metal with an integrated electronic actuator, it ensures accurate and responsive air flow management. Weighing 0.857 kg, this genuine OEM throttle housing provides the exact calibration and operational characteristics required for seamless engine control and optimal fuel efficiency.