06 MARK LT F-250 F-350 5.4L ECU ECM PCM ENGINE COMPUTER 6L3A-12A650-ARC TESTED 7L Diesel models with the

7L Diesel models with the same part number all the way through the software code

transfer case contact plate circuit and transfer case clutch relay circuits tested good

7R3A-12A650-AKB

You may also receive install notes detailing what you may need to repair or verify good prior to installing the repaired ECU

If you would like to return your core for a $20 partial refund let us know during checkout through the "notes to seller" and we will send a prepaid return label with your order

06 MARK LT F-250 F-350 5.4L ECU ECM PCM ENGINE COMPUTER 6L3A-12A650-ARC TESTED 7L Diesel models with thePart Number 6L3A 12A650 ARC ECU will arrive with updated part number sticker having been programmed with latest Ford Software Updates! Fitment Interchange This ecu will interchange or replace the following ecu part numbers for 2006 Ford F Series 5. 4L trucks: 6L3A 12A650 ARC 6L3A 12A650 CKC 6L3A 12A650 CLB 6L3A 12A650 UA 6U7A 12A650 DBB 6U7A 12A650 DLC Tech Notes ECU has been tested with our state of the art vehicle simulator which tests over 25