Stant45868 Superstat Premium Thermostat, Stainless Steel

Exact fit on a 1990 Dodge Daytona v6. It keeps the car in the lower 1/4 of the tenp gauge for the most part, especially on cooler days. No complaints!

This doesn't come with a rubber seal--you'll need to purchase it separately. The correct seal for this item is a Stant 27281 Thermostat Seal (Medium). Both installed easily in my 1991 Toyota Pickup.

I was fixing a Mazda Miata and needed a thermostat for OEM replacement, and these seem to be pretty good, and it’s working well within a few months now.Only time will tell how long it will last, but so far it looks pretty good and last a few months now.It’s always a good idea to do a test before you install it into your engine. I have seen thermostat that fail right out the box.For the price these are very budget friendly and I wouldn’t mind buying them again.

----Old review----After reading the amazing words in the description about the performance of this part compared to the oem, I expected that my problem with engine overheating has come to an end.Unfortunately, that didn't happen. It does its job of accelerating the engine worm up well, but, on long journeys, the heat of the engine rises and the coolant vaporizes and escapes out of the coolant reservoir.I had to uninstall it from my car. This makes my car take sometime to worm, but it never overheat.I would not recommend this part to anyone, and I will not buy this brand again.----Modified Review----I was wrong about the thermostat in the review above. My cooling circuit needed cleaning, and after I cleaned it, the thermostat is working just fine. I have been using it for approximately a year and a half with no problems.

Amazon now states it does not fit a 94-97 Miata. However, at time of order it stated it fits. Be aware of this change and that it may no longer fit or may be in error.My unit has tested and worked flawlessly since install. The Stant gasket I ordered with it did not seal properly at all.

Working great in the hot Arizona area. Warms up fast and keeps a little cooler than other thermostat. Fit perfectly in my 1990 Miata. Check the listings to make sure fits your car. I seem to have to replace thermostats here in the hot desert about every 2 to 3 years. The older thermostats would intermittently start to fail to open and stick closed or partially closed causing high temperatures when outside air above 90 degrees or so. We'll have to see if one will last longer than the others.

Used it in my Mazda B2600i. Replaced it when I installed a new radiator and wanted a 180 degree instead of the 195 thermostat. I would say that the temperature needle on my Mazda goes to about 1/4 vs 1/3 for the 195 degree thermo. I decided to go lower as the truck is older and I feel like the extra heat is unnecessary on such an old engine. I was worried about gas mileage but found that my gas mileage actually slightly increased after installing this thermostat. Great product!

I think the thermostat is working as intended. I had a cracked radiator, so I replaced it and the thermostat on my 2000 NB Mazda Miata. I think I should have replaced it with the OEM thermostat as suggested on the forums. Nothing against this thermostat its working as intended, but I am still hovering at 220F with Spectra Premium CU2268 Complete Radiator that I also bought on amazon. However I am also in Texas. Car warms up a little faster since this stays closed till about 190. I hear the OEM Mazda Thermostat has dual temp spring or sensor that allows more gradual opening which is apparently better according to forums.