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Description
The tensioner is a spring-loaded pulley designed to keep the serpentine belt tensioned on the pulleys. Over time the tensioner spring can weaken or break allowing the serpentine belt to come loose.Installing the CUMMINS replacement tensioner assembly for '03-'24 Dodge Cummins Turbo Diesel trucks with 5.9L or 6.7L engines will keep the belt tight again.
Superceded to 6406582 - 08/08/24.
Reviews
Write a reviewBrodylee
Oct 25, 2016 | By Brody Lundquist
Great OEM replacement part. My tensioner pulley bearing died and decided to replace the whole assembly. New serpentine belt too. No more squeak when I shut her down. I kinda do miss the squeak though! Haha
OE part
Mar 20, 2017 | By Vernon
Fit correctly and works as new. For the price would be foolish not to go with OE part.
Cummins Auto tensioner
May 1, 2017 | By Chad
Works great! highly recommended . Worked much better than the Gates (which failed twice and allowed the belt to slip)
Tensioner
Oct 20, 2017 | By Ian
Great product. After 2 tensioners from my local auto parts store, this genuine Cummins tensioner stopped the belt slipping OT full throttle .
Finally fixed my best issue
Nov 18, 2017 | By William Lowman
Fixed my belt issue finally after a junk auto parts store one.
Quick and easy Install
Dec 27, 2020 | By Adrian Payan
I looked into Gates but heard less than positive reviews so went Cummins route and glad I did. Will definitely purchase again in another 150k miles
Install and Tech Information
Videos
