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.
Cummins Tensioner Assembly 3947574 is for 2003 to 2019 Model Dodge Ram Diesels.
This Cummins 3947574 Serpentine Belt Tensioner Assembly information:
Cummins 3947574 Belt Tensioner Assembly Cross Reference: