07-10 DURAMAX 6.6L LMM CHEVY 3500 ECU ECM ENGINE COMPUTER 12604137 12588335 OEM Climate Controls Please note this cluster does

Please note this cluster does "NOT" have the key lock module on the back

05187269AB

P04896564AD

***NOTE*** The connector latch is chipped off so you may need a zip tie even though these connectors fit pretty snuggly

07-10 DURAMAX 6.6L LMM CHEVY 3500 ECU ECM ENGINE COMPUTER 12604137 12588335 OEM Climate Controls Please note this cluster doesPart Number 0 281 020 122 and 12628641 You must match this exactly! Tech Notes ECU tested and does have communication and a properly functioning processor! Fitment Interchange You must match your part number exactly as seen above. If any numbers are off compared to your original it will not work properly. At the time of purchase please supply your VIN for programming. You will need to complete a 30 minute key relearn and we'll send those instructions