Cummins 3947574 Belt Tensioner Assembly Dodge Ram 03+

Installing a new Cummins 3947574 Belt Tensioner Assembly will keep your serpentine belt in the proper position and tension. This OEM Cummins Belt Tensioner Assembly is designed for use on the 2003 to Current model Dodge Ram trucks with the Cummins 5.9L or Cummins 6.7L Turbo Diesel engines. We at KLM Performance recommend checking the condition of your serpentine belt at the same time you replace your tensioner.

In stock
SKU
Cummins 3947574

 NOTE: Cummins Parts Are A Non-Returnable Item. Please make sure you have ordered the correct part for your Cummins diesel engine!

$112.95

2003 to 2019 Dodge Ram Cummins 3947574 Serpentine Belt Tensioner Assembly

Cummins Tensioner Assembly 3947574 is for 2003 to 2019 Model Dodge Ram Diesels.

Cummins 3947574 Belt Tensioner Assembly Applications:

  • 2003 to 2004 Dodge Ram 2500 and 3500 Cummins CR 5.9L engines
  • 2004.5 to 2007 Dodge Ram 2500 and 3500 Cummins CR 5.9L engines
  • 2007.5 to 2009 Dodge Ram 2500, 3500, 4500, and 5500 Cummins 6.7L engines
  • 2010 to 2019 Dodge Ram 2500, 3500, 4500, and 5500 Cummins 6.7L engines.

The Cummins 3947574 Belt Tensioner Assembly is for the following Dodge Ram trucks equipped with the Cummins 5.9L or 6.7L diesel.

  • Ram 2500 2WD and 4WD
  • Ram 3500 2WD and 4WD
  • Ram 4500 2WD and 4WD
  • Ram 5500 2WD and 4WD

This Cummins 3947574 Serpentine Belt Tensioner Assembly information:

  • Cummins 3947574 Belt Tensioner Assembly is a spring loaded pulley designed to keep the serpentine belt tension on the pulleys. 
  • This Belt Tensioner Assembly is considered a wear item and will need to be replaced.
  • With time and distance, this Belt Tensioner Assemblies spring can weaken or break allowing the serpentine belt to come loose.
  • Installing a new Cummins Belt Tensioner Assembly will keep the belt in the proper position and tension.
  • This belt tensioner is a brand new OEM Cummins part.

Cummins 3947574 Belt Tensioner Assembly Cross Reference:

Product Application
2003 to 2019 Dodge Ram 5.9L and 6.7L Cummins Diesels
Width
10
Height
4
Length
10
Manufacturer
Cummins
Item Number
Cummins 3947574
Manufacturer Part No
Cummins 3947574
Condition
New
ShippingMessage
IN STOCK
Model
2500, 3500, 4500, 5500
Year
2003, 2003.5, 2004, 2004.5, 2005, 2005.5, 2006, 2006.5, 2007, 2007.5, 2008, 2008.5, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2016.5, 2017, 2018, 2019
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