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Review on ACDelco GM Original Equipment 12580773 Drive Belt Idler Pulley: Reliable and Sleek Black Design by Johnathan Sherman

Revainrating 5 out of 5

Direct replacement good for idler pulley

So far so good with the new idler pulley. The old one came off with no problems, but this one fit. No problems starting and driving. A clear difference between the old pulley and this new one.

Pros
  • Great price
Cons
  • Compatibility