0 Cummins ISB, , ECMs, Fits to: , (Used) 2000 Cummins ISB, ECM- Serial Number: 2030971, Part Number: 3944124, Displacement: 5.9L, Horsepower: 185, Engine: P-33124 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# 3944124, Casting# 3944124, Part# 2030971