2006 Caterpillar C7, School Bus, ECMs, Fits to: Blue Bird All American/All Canadian, (Used) 2004 Caterpillar C7, ENGINE ECM- Serial Number: 28845021E, Part Number: 239-8277-00 Family Number: 4CPXH0442HBK, Displacement: 7.2L, Horsepower: 350, Serial Number: KAL75109, E.C.S.: EM, DI, TC, ECM, CAC, CAT, Engine: P-39671, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 28845021E, Truck Year 2006, VIN 1BABKBKA26F227887 1BABKBKA26F227887