Restore turbocharger performance without the expense of replacing the complete turbocharger. This remanufactured turbocharger actuator is engineered for PACCAR MX applications equipped with HE431VE variable geometry turbochargers and delivers OEM level fit function and reliability at a fraction of the cost of a complete turbo replacement. Each actuator is remanufactured to OEM specifications and thoroughly tested to help ensure dependable performance and long service life in demanding heavy duty applications. IMPORTANT: This actuator requires OEM calibration and setup following installation. OEM approved diagnostic equipment and manufacturer service procedures must be used to establish proper communication between the actuator turbocharger and engine control module. Failure to perform required calibration procedures may result in fault codes reduced engine performance improper turbocharger operation derate conditions or repeat repairs. Professional installation is strongly recommended.