2012 Cummins ISB, School Bus, Engine Assys, Fits to: Thomas Built Saf-T-Liner HDX, (Used) 2011 Cummins ISB ENGINE ASSEMBLY- Family Number: BCEX80408BAH, Displacement: 6.7L, Horsepower: 220, Ar.No.CPL: 3071, Serial Number: 73220084, Part Number: 165307, ECS: EGR, PTOX SCRC, Reference images for condition. For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Horse Power 220, Serial# 73220084, Casting# 73220084 1T7YN4E24C1146909