NEW C7 Caterpillar® ECM ESN # WAX
Brand New Overstock WAX ESN ECM's
These ECM's were pulled off of NEW Engines bought as overstock and come with a 1 Year Parts Replacement Warranty
These ECM's will need to be calibrated to your specifications.
These ECM's have existing software programmed on them from the previous engine they were attached to. They will most likely start up and run your application but the settings will not be correct for your application so please have your mechanic calibrate the ECM.