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Block heater power cord

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I'm looking for a part number for the power cord that plugs into the outside of the truck. That runs the block heater. The truck is a 2020 3500 HD High Country with a 6.6l diesel. They bought it used and it didn't come with it. Any help on the part number and/or where to get one. They used to go to Florida for the winter. Not this year! Need to be able to plug it in. 

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  • 4 months later...

I've been plugging mine in everyday here in Alaska, when I get home from work I'll grab the part number off the sticker.  We've been reaching -30 at night, still starting like a dream.  I did switch over to 5W-40 for the winter months, seems to help. 

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