(Used) 2009 GM 8.1L, ENGINE ECM- Serial Number: 86KKYKYXR162930263, Part Number: 89017749, Family Number: 9GMXH08.1503, Displacement: 8.1L, Horsepower: 330, ESN: 52G3D330A, ESN: 52118M016, Engine: P-39508 Truck: 140730 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921