Product Application: 2003 to 2022 Dodge Ram 2500, 3500, 4500, and 5500 series trucks with the 5.9L and 6.7L Cummins Diesels
FAQ: How do I know if my serpentine belt tensioner is bad? A failing serpentine belt tensioner will create an unusual noise that is emitted by the tensioner or the drive belts. This drive belt noise may resemble a squeal or a squeak, it is possible that the belt tensioner is loose. This new and unusual noise is apparent upon a cold start.
Part Number: 3947574
Product Note: Cummins Parts Are A Non-Returnable Item. Please make sure you have ordered the correct part for your Cummins diesel engine!