(USED) 2004 Caterpillar 3126, ENGINE ECM- Serial number: 029364901K, Part Number: 206-2700-02, HP: 210, CPL: 224-7984, 2 Rectangular Plugs with 70 pins Reference images for condition For more information about this item call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921