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Review on ๐Ÿ”ง Original Equipment Engine Coolant Thermostat by ACDelco GM, Part Number 131-158 by Rud Starks

Revainrating 5 out of 5

Perfect fit, great price

Genuine GM OEM, looks exactly like the still running unit I replaced. Didn't want to risk generic branding as there are too many reviews for a quick failure. The part is cheap, better use OEM. The GM theme is quite different from the 3rd party themes and has worked for over 100,000 with no issues! Mine came in sealed packaging in a GM box. There were no numbers on the part like on the original. Made in Mexico...it's a genuine product. Laugh if you want, but the quality of Mexican car parts is way better than any Chinese junk!

Pros
  • Quality construction
Cons
  • Guard