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Review on ACDelco GM Original Equipment Drive Belt Tensioner: Model 10055798 - Efficient Automotive Part by Chris Drury

Revainrating 5 out of 5

Genuine GM gear, a cut above ACDelco Professional

Looks and works just like the original. Raised pulley, bearing cap and tensioner housing are clean and smooth. You pay a little more than a professional line, but you also get a little more. Sometimes they are even made in a more coveted country of origin. The Profi line for this part has no end shield, a protrusion on the pulley and there are scuff marks on the tensioner housing where the casting edges were cleaned.

Pros
  • Delivery was very quick
Cons
  • Mostly ok but...