06 07 Chevrolet GMC 2500HD DURAMAX 6.6 LBZ ECM ECU ENGINE COMPUTER 12606127

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Here we have a good used engine computer removed from a 2007 GMC 3500hd. This will fit the 06-07 trucks with the diesel LBZ engine ONLY. This ecu has an efi live tune and comes with the accompanying switch. No damage, ready to use. Make sure this part number will work for your truck. May require programming.