Duramax engine block heater cord is an important part needed during the cold weather months. Wades shows where the coolant heater is located on a Duramax, where to plug it in, and how to test the cord. Merchant Automotive's Block Heater Cord is an upgraded OE Replacement for 2001-2016 Duramax. Make sure the block heater on your Duramax is working properly. | Thoroughbred Diesel
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Duramax engine block heater cord is an important part needed durin…
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