Reviews for Accel 4365 Mr Gasket High Flow 195° Thermostat for Jeep Vehicles with 2.5/4.0L

No issues with it working correctly. Seems like it holds the engine temperature constant.

Works great!

Would highly recommend purchasing. There is a sense of comfort having the cooling system kick on earlier.

Not a good purchase. I got it to replace stock, figuring it to be improved performance, but temperature regulation was inconsistent over the summer. First slightly cool days it wouldn't come up to temperature at all.

Replaced with a stock part and temperature is fine now.

I bought 2 of these and both failed, stuck open.

stuck open since day one... poor show

This tstat functioned correctly when installed and held 195 degrees. When winter came two months later it was stuck open. Truck would not stay warm while moving. Extreme over cooling. After 7 months of problems I removed it and sure enough it has broken into 3 pieces. Luckily no pieces made their way into my water pump. This thermostat is an overpriced hunk of Crap. The $5 USA made Stant I replaced it with is a much better part.

Stuck open. Engine wouldn't warm up. Bought a Stant from a local parts store and haven't looked back.