07-10 DURAMAX 6.6L LMM CHEVY 3500 ECU ECM ENGINE COMPUTER 12609441 HAS COMM GM ABS VIDEO 56041427AC

07-10 DURAMAX 6.6L LMM CHEVY 3500 ECU ECM ENGINE COMPUTER 12609441 HAS COMM GM ABS VIDEO 56041427ACPart Number 12609441 and service number 12609441 You must match this exactly! Tech Notes ECU tested and does have communication and a properly functioning processor! **NOTE** These units are typically surged and burned up due to a mechanical or wiring issue in the vehicle. Make sure all other mechanical issues wiring connectors ground points are checked prior to installing this replacement or there is a good chance it will be blown up as well. Fitment

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