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replaced the thermostat with a factory Nissan OEM thermostat. Completely fixed the problem..
Your thermostat is probably stuck open. Replace it with an OEM Motorcraft version, not aftermarket.
yes the part was OEM from nissan
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.
Since going with the OEM thermostat, my temp gauge has stayed pinned just below the middle of the gauge, even towing campers and heavy loads on hot days.
Only an OEM Thermostat fixed it.
The Motorcraft thermostat sounds promising though, never have an issue with genuine ford parts.
I replaced the thermostat from a non-OEM to Motorcraft about a month ago, and the only difference has been the speed at which the dial moves from higher temps to its normal positon.
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.
I bought a Motorcraft thermostat from the Ford dealer for my Crown Vic and it ran about 20 degrees cold.
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In March 2026 on PartReview, thermostat OEM Nissan were overall better than Motorcraft.
In March 2026 on PartReview, thermostat OEM Nissan were overall more popular than Motorcraft.
By vote balance, thermostat OEM Nissan surpassed Motorcraft:
By number of reviews, thermostat OEM Nissan surpassed Motorcraft:
In March 2026, according to PartReview, thermostat OEM Nissan and Motorcraft have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.
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For example, comparisons of thermostat OEM Nissan with: MotoRad, Wahler, OEM Volkswagen, Mahle, OEM Mazda, MOPAR, MISHIMOTO, Gates, OEM BMW, OEM Audi.
Also available: comparisons of thermostat Motorcraft with: MotoRad, Wahler, OEM Volkswagen, Mahle, OEM Mazda, MOPAR, MISHIMOTO, Gates, OEM BMW, OEM Audi.
You can also see who is better among other thermostat manufacturers: Wahler or MotoRad, OEM Volkswagen or MotoRad, Mahle or MotoRad, OEM Mazda or MotoRad, MOPAR or MotoRad.