(Used) 2007 GM 6.0L, ENGINE ECM - Part Number: 89017749, Serial Number: 86YKYW926220J0BG, Family Number: 7GMXH060583, Displacement: 6.0L, Horsepower: 335, Serial Number: 52120L011, Part Number: 52G7D335A, Engine: P-44764, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921