2009 Mercedes MBE 904, School Bus, ECMs, Fits to: Thomas Built Saf-T-Liner HDX, (Used) 2008 Mercedes OM926LA, ECM- Serial Number: MBE0012438, Part Number: A0054462040 Family Number: 8DDXH07.2DJC, Displacement: 7.2L, 'Horsepower: 350, Serial Number: 926961S0012438, Engine: P-32894, 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# MBE0012438, Casting# MBE0012438, Truck Year 2009 1T7YN4A2691113957