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Review on Optimized Product Name: GM Genuine Parts - High-Performance Alternator (25888970) by Jason Graham

Revainrating 1 out of 5

Failure in less than five months

Installed in January 2017 and already out of service at the end of April 2017. The voltage was erratic the whole time he was in the car, but last week the output dropped below 11.5 volts. I checked the battery and alternator and the alternator was faulty.

Pros
  • Easy to read control panel
Cons
  • No