2007 Mercedes MBE 904, School Bus, ECMs, Fits to: Thomas Built Saf-T-Liner HDX, (Used) 2006 Mercedes OM906LA, ECM- Serial 902.919-00-557714, Part Number: A 062 447 74 40 001, Family Number: 6MBXH6.37DJA, Displacement: 6.4L, Horsepower: 260, E.C.S.: TC, ECM, CAC, EGR, Engine: P-32879, 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# 902.919-00-557714, Casting# 902.919-00-557714, Truck Year 2007 1T7YN4A2171284113