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DRIVEN DIESEL Electrical Products → Driven Diesel Dodge Fan Clutch Accelerator Switch

Driven Diesel Dodge Fan Clutch Accelerator Switch

This item requires Vehicle Fitment, please select Vehicle first!
OR if you know the Part Number you need, select from Options below.
Part Number: DD-DFCS
Availability: In Stock
Instructions: (Adobe Reader required)
Price: $249.95

The Driven Diesel Fan Clutch Accelerator Switch for 05-07 5.9L MANUAL TRANSMISSION Dodge Cummins AND 07-24 6.7LAUTO OR MANUAL TRANSMISSION Dodge Cummins trucks will give you some manual control of your electronic engine fan clutch. When enabled, the Fan Clutch Accelerator will cause your ECM to think that your Engine Coolant Temperature has increased, thereby causing your ECM to command more fan speed from the clutch. When disabled, the ECM will see the correct temperature from the coolant temperature sensor, and operate the fan normally.

DOES NOT WORK ON 03-07 AUTOMATIC TRANSMISSION TRUCKS!

This product is designed to be used "AS NEEDED", leaving it enabled all the time will result in running the engine fan excessively, causing more engine noise, lower fuel economy and a reduction in power. If you have experienced situations where your truck and load are causing coolant and oil temperatures to rise, but you aren't hearing your fan engage to aid in cooling, this is your answer.

NOTE: When enabled, your dash gauge and/or digital monitor will reflect a higher than actual Engine Coolant Temperature. In order to see the actual coolant temperature, the Fan Clutch Accelerator must be in the OFF position.

Also, the installation and use of the Fan Clutch Accelerator Switch WILL NOT resolve problems with a weak or worn out fan clutch. Proper performance of this product requires a correctly functioning fan clutch.


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Driven Diesel Dodge Fan Clutch Accelerator Switch fits the following vehicle(s):

  • 2005 Dodge Ram 2500/3500 CR 5.9L
  • 2006 Dodge Ram 2500/3500 CR 5.9L
  • 2007 Dodge Ram 2500/3500 CR 5.9L
  • 2007.5 Dodge Ram 2500/3500 CR 6.7L
  • 2008 Dodge Ram 2500/3500 CR 6.7L
  • 2009 Dodge Ram 2500/3500 CR 6.7L
  • 2010 Dodge Ram 2500/3500 CR 6.7L
  • 2011 Dodge Ram 2500/3500 CR 6.7L
  • 2012 Dodge Ram 2500/3500 CR 6.7L
  • 2013 Dodge Ram 2500/3500 CR 6.7L
  • 2014 Dodge Ram 2500/3500 CR 6.7L
  • 2015 Dodge Ram 2500/3500 CR 6.7L
  • 2016 Dodge Ram 2500/3500 CR 6.7L
  • 2017 Dodge Ram 2500/3500 CR 6.7L
  • 2018 Dodge Ram 2500/3500 CR 6.7L
  • 2019 Dodge Ram 2500/3500 CR 6.7L
  • 2020 Dodge Ram 2500/3500 CR 6.7L
  • 2021 Dodge Ram 2500/3500 CR 6.7L
  • 2022 Dodge Ram 2500/3500 CR 6.7L
  • 2023 Dodge Ram 2500/3500 CR 6.7L
  • 2024 Dodge Ram 2500/3500 CR 6.7L
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Many of the aftermarket products that are sold in today’s diesel aftermarket are not legal for sale or use in the state of California (or any state that has adopted CARB standards). Some performance products are not legal for sale or use in any state, because they are prohibited by Federal Law. Strictly Diesel makes every effort to only offer products that do not violate Federal Emissions Laws (ex. Clean Air Act) or violate local laws for states that follow CARB standards. If your vehicle is registered, insured and used on public roads and highways, it is ultimately your responsibility to make sure that it complies with all applicable local, state and federal regulations.

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