The OE version is the only one that works. Knock off t-stats will generally last a few weeks to a few months. The OE thermostat has been updated, pops at 203 degrees and lasts much longer than anything else. An OE thermostat seems to fail open. Whereas the knock-offs fail shut.
I got a duralast part from autozone with a lifetime warranty for 25 bucks. My jeep has been been running well for the last year since the change to the duralast part
I wanted to upgrade from plastic and got an aluminum Mishimoto thermostat, but i didn’t notice that it opens at 180°. Can i get away with the 180° thermostat, or should i ship it back and re-order a different, higher rated thermostat?
Duralast thermostat? They are a piece of shit!
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This part for Jeep Wrangler is made around the world. We have reviews for thermostat manufacturers from countries such as: USA .
In March 2026, the ranking of thermostat for Jeep Wrangler on PartReview included 3 manufacturers. It is based on 4 reviews and 13 votes.
Last month, PartReview users preferred MOPAR. 23% of positive votes went to this manufacturer.
In second place: thermostat MISHIMOTO — 0%.
Third place: Duralast with 0% of the votes.
In the overall ranking of thermostat, which aggregates opinions of owners of different car makes and models, these brands hold the following positions:
After seeing which thermostat owners of Jeep Wrangler prefer, check other popular parts for this car. In March 2026, leaders on PartReview were:
