Volkswagen 04E198725M Turbocharger Boost Solenoid Valve Repair Kit

The 04E198725M is a genuine Volkswagen Group repair kit for the turbocharger servomotor solenoid valve. It contains the necessary components to repair the servomotor that controls the turbocharger variable geometry and wastegate actuation on 1.4 liter TSI/TFSI petrol engines without hybrid systems. This electronic boost pressure control valve regulates turbocharger boost pressure by modulating vacuum or pressure signals to the wastegate actuator. The kit supersedes part numbers 04E198725B and 04E198725E. It is designed for direct fitment to the turbocharger assembly on specified Volkswagen, Audi, Skoda, and Seat models equipped with 1.4 TSI engines including CZDA, CZCA, CZEA, CZTA, and CPTA engine codes. All components are factory tested and calibrated to meet OEM specifications for boost control accuracy and durability.