Seller notes

For Reference only: 2017-2018 GMC Sierra Engine Control Unit ECU 12668986 Please make sure to match part number. all ECU/Engine Computers/Air Bag Module need to be reprogrammed in order to work properly. we are not responsible for labor cost !!! Used, Good Condition, Match Part number Please make sure to match part number before you buy, in order for its fitment n to work right it must be same part number !!! Plz also see pictures !!! Expeditious Shipping !!! 30 days money back guarantee !!! May...

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