Thermostat Gates or MISHIMOTO

PartReview Score

Rank #3 in ranking

4.3

Cabin heat

3.0

Overheating

4.5

Slow warm-up

1.2

Owners' choice:

Dodge RAM

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #14 in ranking

-18

2.2

Overheating

2.7

Slow warm-up

2.8

No data

Reviews

All

Gates

MISHIMOTO

Gates › Thermostat

Pavlov_Maddog 15 Dec 2025, 20:29

Overheating:

Rating 5.0

I only use Gates now after some cheap ones failed but didn't leak. Gates are very good. I have not had to replace one.

Pros: Gates are very good

Cons: cheap ones failed

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

Gates › Thermostat

Tiny-Lunch6983 13 Jul 2025, 04:34

Overheating:

Rating 5.0

I installed a Gates 33009S 195 degree after my Hughes install and haven’t had issues.

Pros: no issues

Vehicle: Dodge RAM

Part number: 33009S

Gates › Thermostat

zekufo 1 Jul 2025, 14:24

Overheating:

Rating 5.0

The brand new thermostat wasn’t opening all the way. One new Gates thermostat fixed the issue.

Pros: fixed issue

Vehicle: Jeep Grand Cherokee

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

Gates › Thermostat

catmanslim 10 Oct 2025, 03:21

Slow warm-up:
Overheating:
Cabin heat:

Rating 2.0

I installed a Gates one a couple months back and it worked well for a little while; engine got up to operating temp fairly quickly and stayed there, but now it’s running really cold no matter how long or how hard I drive it. Think it’s stuck open.

Pros: quick operating temp

Cons: running cold, stuck open

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 — Gates or MISHIMOTO?

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 Gates and MISHIMOTO

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

Which thermostat are better — MISHIMOTO or Gates?

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

Gates received a PR Score of 85 out of 100, and MISHIMOTO scored 32 points.
Gates ranked 3 in the overall ranking, and MISHIMOTO ranked 14.
The average rating is higher for Gates (4.3) than for MISHIMOTO (2.2).
Thermostat Gates have better feature ratings than MISHIMOTO:
- Cabin heat - owners believe, that this property for Gates is better than MISHIMOTO.
- Overheating - drivers claim, that this property for Gates is outperforms MISHIMOTO.
- Slow warm-up - reviews suggest, that this property for MISHIMOTO is preferred to Gates.

Which thermostat are more popular — Gates or MISHIMOTO?

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

By vote balance, thermostat Gates surpassed MISHIMOTO:

For Gates, the ratio of positive (36) to negative (6) votes is 30 votes.
For MISHIMOTO, the ratio of positive (16) to negative (34) votes is -18 votes.

By number of reviews, thermostat MISHIMOTO surpassed Gates:

For thermostat Gates there are 14 reviews: 12 positive, 0 neutral, 2 negative.
For thermostat MISHIMOTO there are 16 reviews: 4 positive, 2 neutral, 10 negative.

Which thermostat do car owners prefer — Gates or MISHIMOTO?

In March 2026, according to PartReview, thermostat Gates led more car-specific ratings than MISHIMOTO:

Gates are chosen by owners of cars such as: Dodge RAM, and others.

Thermostat MISHIMOTO have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

Other comparisons of thermostat

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

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

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