2011 Cummins ISB 6.7, School Bus, Engine Assys, Fits to: Freightliner B2, (Used) 2009 CUMMINS ISB ENGINE ASSEMBLY- Family Number: 9CEXH0408BAG, Displacement: 6.7L, Horsepower: 220, CPL: 3389, Serial Number: 73057905, E.C.S.: PCM, EGR, Part Number: C01-00130-452 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# 73057905, Casting# 73057905 4UZABRDU3BCAT9942