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Review on ACDelco GM 131-124 Coolant Thermostat by Chris Long

Revainrating 5 out of 5

It's great to be warm again

Nothing to say. Installed on a 2003 Chevrolet Impala. Now I have fever again. BTW, if you're buying this for a 2003 Impala, order a throttle body gasket (I removed the throttle body to make installing the thermostat easier) in case the old one doesn't survive.

Pros
  • Manufactured to GM OE specifications for fit, form and function
Cons
  • Safety