(Used) 2006 GM/Chevy (HD) 8.1L, ENGINE ECM - Part Number: 12602801, Serial Number: 86YKYW926192HRF6, Service Number: 12589161, Engine Information- Family Number: 7GMXH08.1503, Displacement: 8.1L, Horsepower: 330, ECS: SFI, TWC, HO2S, 2 Rectangular Plugs with 80 Pins, 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