I highly recommend getting the dorman all aluminum upgraded one. It's like $22 and won't leak / fail like the factory plastic ones.
Reviews of DORMAN thermostat
9 votes
3 reviews
I have two vehicles with the 3.6 V6. Both of them had the thermostat fail. When I changed the one on me Journey, Dorman had the aftermarket aluminum version available, so that is what's running on that car. It has zero issues. When the OEM version on my van inevitably fails again, I'm going with the aluminum one to replace it.
The Dorman ones on Amazon are the ones we have had the best results with.
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