Thermostat MISHIMOTO or OEM Nissan

PartReview Score

Rank #14 in ranking

-18

2.2

Overheating

2.7

Slow warm-up

2.8

No data

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #2 in ranking

4.6

Overheating

4.5

Slow warm-up

5.0

No data

Reviews

All

MISHIMOTO

OEM Nissan

OEM Nissan › Thermostat

Forsaken-Cause-3839 5 Jan 2026, 17:02

Overheating:

Rating 5.0

replaced the thermostat with a factory Nissan OEM thermostat. Completely fixed the problem..

Pros: completely fixed problem

Vehicle: Nissan

OEM Nissan › Thermostat

AideNo888 4 Dec 2025, 03:07

Rating 5.0

yes the part was OEM from nissan

Vehicle: Nissan

OEM Nissan › Thermostat

burn3344 6 Nov 2025, 23:27

Overheating:

Rating 5.0

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

MISHIMOTO › Thermostat

mooseman923 9 Aug 2025, 02:17

Overheating:

Rating 5.0

It’s now got an 85°c Mishimoto thermostat. Took it out today and got it up to temp and did multiple 0-85mph pulls. The new thermostat opens at 85°C/185°F. Under load the coolant never registered above 197°F!!!!

Pros: coolant stable, low temperature

Vehicle: Volvo XC70

MISHIMOTO › Thermostat

Next-Background-5812 17 Jul 2025, 20:17

Slow warm-up:
Overheating:

Rating 5.0

Mishimoto has a great thermostat plus it has a lifetime warranty

Pros: great thermostat, lifetime warranty

MISHIMOTO › Thermostat

Ben_805 16 Dec 2025, 23:22

Overheating:

Rating 3.0

I spent a good chunk of change on the Mishimoto thermostat and it got stuck closed within a couple months. Needed the car back right away and all I could get was a dirt cheap MotorRad one. Darn thing has been it in now without issue for a good long while now.

Pros: working without issue

Cons: stuck closed quickly

OEM Nissan › Thermostat

Commercial-Ad-3566 8 Aug 2025, 04:31

Overheating:

Rating 1.0

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

MISHIMOTO › Thermostat

king1fluffy 24 May 2025, 20:21

Overheating:

Rating 0.5

Get that mishimoto garbage out of there and put a new oem thermostat in there. Unless you really lile pulling the engine out, to replace coolant seals and rusted rotors...

Cons: poor quality, causes damage

MISHIMOTO › Thermostat

RyanGout 24 May 2025, 16:44

Overheating:

Rating 1.0

please remove the mishimoto thermostat they fail a lot, it happened to me as well.

Cons: frequent failures

MISHIMOTO › Thermostat

Winter_Property4986 31 Mar 2025, 07:28

Overheating:

Rating 1.0

Même souci sur 350Z

Le thermostat Mishimoto s'ouvre à 82° au lieu de 68°/ la réponse du constructeur → du moment ou la température reste stable !!!!!!!!!

Je suis énormément déçu de cette réponse surtout au prix et frais de douanes que cela comporte.

Cons: s'ouvre à mauvaise température, déçu de la réponse, frais de douanes

Vehicle: Nissan

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Which thermostat to choose — MISHIMOTO or OEM Nissan?

If choosing thermostat across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare thermostat across these categories:

Comparison of thermostat MISHIMOTO and OEM Nissan

PR Score.
Overall ranking.
Vote balance.
Average rating.
Number of reviews.
Feature ratings.
Car owners’ choice.

Which thermostat are better — OEM Nissan or MISHIMOTO?

In March 2026 on PartReview, thermostat OEM Nissan were overall better than MISHIMOTO.

MISHIMOTO received a PR Score of 32 out of 100, and OEM Nissan scored 92 points.
MISHIMOTO ranked 14 in the overall ranking, and OEM Nissan ranked 2.
The average rating is higher for OEM Nissan (4.6) than for MISHIMOTO (2.2).
Thermostat OEM Nissan have better feature ratings than MISHIMOTO:
- Overheating - owners believe, that this property for OEM Nissan is better than MISHIMOTO.
- Slow warm-up - drivers claim, that this property for OEM Nissan is outperforms MISHIMOTO.

Which thermostat are more popular — MISHIMOTO or OEM Nissan?

Thermostat MISHIMOTO and OEM Nissan were equally popular according to data in March 2026.

By vote balance, thermostat OEM Nissan surpassed MISHIMOTO:

For MISHIMOTO, the ratio of positive (16) to negative (34) votes is -18 votes.
For OEM Nissan, the ratio of positive (36) to negative (3) votes is 33 votes.

By number of reviews, thermostat MISHIMOTO surpassed OEM Nissan:

For thermostat MISHIMOTO there are 16 reviews: 4 positive, 2 neutral, 10 negative.
For thermostat OEM Nissan there are 13 reviews: 12 positive, 0 neutral, 1 negative.

Which thermostat do car owners prefer — MISHIMOTO or OEM Nissan?

In March 2026, according to PartReview, thermostat MISHIMOTO and OEM Nissan have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.

Other comparisons of thermostat

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of thermostat MISHIMOTO with: MotoRad, Wahler, OEM Volkswagen, Mahle, OEM Mazda, MOPAR, Gates, OEM BMW, OEM Audi, Duralast.

Also available: comparisons of thermostat OEM Nissan with: MotoRad, Wahler, OEM Volkswagen, Mahle, OEM Mazda, MOPAR, Gates, OEM BMW, OEM Audi, Duralast.

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.