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Review on Dorman 419 125 Automatic Belt Tensioner by Jay Aukuso

Revainrating 5 out of 5

Great price, perfect fit.

Great alternative to overpriced GM parts that do the same. Due to the cramped quarters in our Hummer, the installation was quite a chore, but it wasn't too difficult for a mechanic on the driveway to complete it in an hour. It also saved us several hundred from switching dealers. Also, the tensioner was replaced while I was there for additional insurance.

Pros
  • Automotive
Cons
  • Exchange Availability