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Amazon.com: 6.6 L Duramax Diesel Block Heater Cord for Chevy Silverado 2500 HD WT Crew Cab Pickup 4-Door : Automotive
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Amazon.com: Heavy Gauge Block Heater Cord 6.6 L for Duramax 6.6L Diesel Engines 2001-2017 12705875, 19419326, 84303149 : Automotive
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NEW 01-20 GM Duramax Engine Block Heater / Cord | 12643197, 12657629, 97214984, 12724955 | 2001-2020 GM LB7, LLY, LBZ, LMM, LML, L5P Duramax 6.6L
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