2006 Caterpillar C7, School Bus, ECMs, Fits to: Thomas Built Saf-T-Liner HDX, (USED) 2006 CATERPILLAR C7 ECM. P/N 240-5302-01 HP: 230 PIN: 70/70 To find out more about this part give us a call. We ship worldwide! Complete Recycling Group (CRG), Serial# SAP21328, Casting# SAP21328, Truck Year 2006 1t7yn4c2561274812