Carxtc Speaker Connection Plugs for Replacing Factory Rear Door 6.5 Inch Speakers. Fits GMC Sierra / Sierra Denali 2015 - 2019 2500 HD, 3500 HD, Chassis Cab Crew CabA Pair of Speaker plug Adapaters for Installing a New Set of New Rear Door 6.5 Speakers in a GMC Sierra / Sierra Denali 2015 2019 2016 2017 2018 2019 15 16 17 18 19
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