2003-07 CUMMINS ISX ISM ECM Diesel Engine Computer CM570, 571 REPAIR SERVICE-REQUIRES REMOVAL AND SENDING ECM TO US 3684275This item is for a REPAIR SERVICE of your CUMMINS ISX, ISX ECM ECU Diesel Engine Computer CM570, 571. THIS REQUIRES REMOVAL OF THE COMPUTER AND SENDING ECM TO US. Our elite servicing begins with a thorough bench and visual circuit board testing of the ECM to ensure it is problematic and to determine its serviceability. If you are in need of ordering from our inventory, this is not your item. Call or search our inventory for our EXCHANGE SERVICE. This