We know that time counts. THANKS FOR CHECKING OUT OUR PARTS IF YOU DONT SEE THE MODEL YOU ARE LOOKING FOR ON OUR SITE SEND US A MESSAGE OR CALL AND WE CAN HELP YOU FIND IT! Good Cummins ISB 5.9L 24-Valve Diesel Engine ECM ICM ECU Computer Part P3944124.(TESTED PART) FITS CUMMINS ISB 5.9L 24-Valve Diesel Engine CM550, NON-EGR Model DIESEL ENGINE, PART# P3944124. The item "Good Cummins ISB 5.9L 24-Valve Diesel Engine ECM ICM ECU Computer Part P3944124" is in sale since Wednesday, May 20, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Computer, Chip, Cruise Control\Engine Computers". The seller is "machineryandtruckparts" and is located in Rockwood, Tennessee. This item can be shipped to United States.