(Used) 2007 GM/Chev (HD) 6.0L, ENGINE ECM- (REMANUFACTURED) Part Number: 89017749, Engine Information- Engine Stock #P-74186, Family Number: 7GMXH06.0583, Displacement: 6.0L, Horsepower: 360, Serial Number: TBD, ECS: SFI, TWC, H02S, 2 Rectangular Plug with 80 Pins each, 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