Block Heater on 2021 GMC Sierra HD | Winter in❄️ Alberta loves to catch us off guard...check out the features that came out with the 2020 GMC Sierra Heavy Duty Trucks. #GMCSierra2500...
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Amazon.com: 6.6 L Diesel Engine Block Heater Cord for Chevy/GMC/Duramax 2500 3500 2001-2018 120V AC : Automotive
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Amazon.com: BMI Engine Block Heater Cord Compatible with: GM Chevy GMC 6.6L Duramax 2003-2018 : Automotive
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