2006 Mercedes OM906LA, School Bus, ECMs, Fits to: Thomas Built Saf-T-Liner HDX, (Used) 2004 Mercedes OM906LA, ENGINE ECM- Serial Number: A 061 447 46 40 003, Part Number: 902.919-00-423471, Family Number: 4MBXH6.37DJA, Displacement: 6.4L, Horsepower: 260, Serial Number: 0906423471, Part Number: 61222353, E.C.S.: TC, ECM, CAC, EGR, Engine: P-39744, 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# 902.919-00-423471, Truck Year 2006, VIN 1T7YR4A2361159326 1T7YR4A2361159326