0 Caterpillar C11, , ECMs, Fits to: , (Used) 2006 Caterpillar C11 ACERT, ENGINE ECM- Serial Number: C9766347JJ, Part Number: 256-1159-01, Displacement: 11.1L, Horsepower: 450, Engine: P-29832 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# C9766347JJ, Part# 256-1159-01,