As your Cummins develops some miles, the belt tensioner's spring can lose its ability to maintain tension, causing uneven wear of your belt, or the belt to completely fail altogether. If its time to replace your tensioner, check out this genuine Cummins direct replacement.
Specifications
- SkuCMNS-3947574
- ManufacturerCummins
- MPN3947574
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Bruce Verified Buyer 8/08/18
Yes
Quality parts for sure
Store Reply
Thank you for the review, glad you like the new belt tensioner.
1 QUESTION
Hello, this is the adjuster where one utilizes a 3/8"" ratchet or similar to re position the pulley creating slack in the belt to remove and install correct? If not, what is the assembly that I am talking about? Thank you in advance.?
You are correct yes.
4/20/18
Added To Cart
Cummins 3947574 Belt Tensioner Assembly 03-18 5.9L / 6.7L Dodge Cummins
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Cart Total$0000.00