2007 Mercedes OM906LA, School Bus, ECMs, Fits to: Thomas Built Saf-T-Liner HDX, (Used) 2006 Mercedes OM 906 LA, ECM- Part Number: 001 446 64 40 ZGS 001, Serial Number: 0906568364, Temic 00004647A7, Family Number: 6MBXH6.37DJA, Horsepower: 210, Engine: P-29151, 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# 0906568364, Casting# 0906568364, Truck Year 2007 1T7YN4A2371284131