AC-DELCO unless you want to do it every year or so.
Pros: reliable, long-lasting
Cons: other brands fail yearly
Owner reviews for thermostat
Manufacturers
Comparisons
OEM thermostat ALWAYS. Coming from the older EJ world, I've had numerous problems with aftermarket thermostats. Again cheap insurance using OEM.
Pros: cheap insurance
Cons: problems with aftermarket
Read about the recall, had dealer swap thermostat. Had a reason to leave right away with outside temp at 38 F. Warm air by the stop sign.
Pros: warm air
Vehicle:
Mazda
I had the same issue, in the end, the thermostat was faulty, and the dealership replaced it for free. I didn’t have any warning light on the dashboard either.
Pros: replaced for free
Cons: thermostat was faulty
I’ve had so many replacements fail in all my Nissans over the years that I just get an oem one from a dealer. Never had an oem one shit out yet.
Pros: OEM reliable, no failures
Vehicle:
Nissan
Mahle is the OE replacement for the thermostat, the Chrysler logo is on the part but sanded down. Autozone sells them with PT# TI23695 I just replaced mine last weekend.
Pros: OE replacement, Chrysler logo
Vehicle:
Jeep Grand Cherokee
Part number: TI23695
Today I replaced it with a Dayco thermostat, refilled the coolant, and bled the system. I noticed the following: the engine coolant reaches the normal operating temperature in stop-and-go traffic, but when I drive at higher speeds for a longer distance, the coolant temperature drops slightly but noticeably. This is even more apparent when the ventilation/fan is on.
Pros: reaches normal temperature
Cons: temperature drops at speed
Vehicle:
Chevrolet Aveo
I bought from FCP euro one of the OE water thermostat and water pump. The thermostat sticks open since new so I get check engine light on my M54 engine.
Cons: thermostat sticks open
I noticed mine is a "motorad" and it's the cheapest shittiest one and it's been giving me problems.
Cons: cheapest, causes problems
Vehicle:
Nissan
I recently changed my thermostat due to my temp gauge occasionally dancing. The old thermostat appears to be bypassed as theres no actual thermostat in the housing. After putting on a new nissan one and oem gasket i bled the system with a overflow funnel for about 40 minutes until i stopped seeing bubble. Also using peak 50/50. Afterwards my overheating problem has gotten worse i overheat in about 10 minutes. I tried bleeding again and same results.
Cons: overheating problem worse
Vehicle:
Nissan
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