(Used) 2006 Cummins ISX, ENGINE ECM- ECM Model: CM870, Part Number: 3684009 RX, Serial Number: A30000631, SC: 11187, DC: 1444 Engine Information- Horsepower: 450, Serial Number: 60813076, Part Number: 4018419 (3 Plugs) 4 Pins Plug Rectangular, 60 Pins Plug Rectangular, 50, Pins Plug Rectangular, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921