(Used) 2006 GM/Chev(HD), ECM- Part Number: 89017749, Serial Number: 86YNBM926019E479, Engine: P-32397, Displacement: 6.0L, Horsepower: 300, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921