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Dorman Products Def Heater 2012-2016 GMC Silverado/Sierra 2500HD/3500HD Duramax 6.6L

Thoroughbred Sku #: DOR904-394
Manufacturer Sku #: 904-394

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$199.95

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OE# : 84412924, 84412924

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Product Details

Product Name: Dorman Products Def Heater 2012-2016 GMC Silverado/Sierra 2500HD/3500HD Duramax 6.6L
Manufacturer: Dorman Products
Manufacturer Part #: 904-394
Thoroughbred Diesel Part #: DOR904-394

The factory DEF heater on certain vehicles often fails from fluid intrusion. This Dorman OE FIX solution modifies the OEM design to address this failure point and increase reliability.

  • Upgraded replacement - this diesel exhaust fluid (DEF) heater features additional protection from fluid intrusion
  • Restores performance - designed to match the fit and function of the original equipment part
  • Thoroughly tested - each design undergoes cyclical heater element fatigue testing
  • Trustworthy quality - backed by team of engineers in the United States

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