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    Dorman - OE Solutions Diesel Exhaust Fluid Heater

    Part # 904-374
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    • Product Details

      Part No. 904-374


      Turn off that 'check engine' light and restore proper drivability with Dorman direct replacement DEF heaters. If your diesel vehicle is confined to a limited speed, or in power reduction mode, a common culprit may be a failed original DEF heater. Our DEF heater includes all necessary components for a complete repair and quality tested for a trouble-free performance and longer service life.

      Product Features:

      • Includes all necessary gaskets and O-rings needed for a complete replacement
      • Quality tested to ensure trouble-free installation, performance, and durability
      • Properly functioning DEF heaters are required in most states for vehicle inspection
      • High-quality plastic construction for added durability

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