>>>PICTURES OF THE ITEM AND ITS SERIAL NUMBERS HAVE BEEN TAKEN, THIS PROTECTS ME AGAINST ANY POTENTIAL FRAUD OR SCAMS. Compatiable With Part Numbers? 4034287, 3787565, 4032765, 4034118, 4034400, 2834402, 2837217. Compatible With The Following Models? Cummins ISC 8.3L, ISL 8.9L Diesel Engine. Turbocharger Actuator With Calibration Tool? The package includes a turbocharger actuator x 1, an installation Kit x 1, a Product-specific calibration Box x 1, and Calibration Box Use Manual x 1. One set contains all the required materials. Note: The actuator can only be calibrated with our calibration box or the original calibration equipment, such as E-TOOL. Economical and Durable? Developed using OE quality components, our turbocharger actuators provide a cost-effective, quality alternative to turbocharger actuators for the aftermarket, with longer service life than remanufactured parts and overall performance compared to the original actuators. Package Includes Special Calibration Equipment? This set is equipped with a dedicated calibration tool to calibrate the actuator. The calibration process is simple and quick. You can follow the user manual to calibrate your actuator easily.