Thermostat Mahle or MISHIMOTO

Mahle Thermostat
Then-Cash-7226
  • Slow warm-up:
Rating 5.0

I’ve installed Borg Wagner thermostats and those always failed until I installed a Mahle one which never failed. For some reason any other brand will get stuck open and the engine will never get up to temp.

Pros: Mahle never failed
Cons: Borg Wagner always failed
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Mahle Thermostat
kemosabe6296
  • Slow warm-up:
Rating 4.0

I used Mahle, but I got lucky I got the German-made one (afaik now most are made in Italy). It was NOS so I expect the electrical heater (to open early) to be defect. It's been 3 years without issue though.

Pros: three years without issue
Cons: heater may be defect
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Mahle Thermostat
zoubz13
  • Overheating:
Rating 3.0

I had a brand new mahle one with the connector wired in reverse for constant. Kept blowing a fuse. Returned it for a replacement and worked fine.

Pros: worked fine after replacement
Cons: connector wired in reverse
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MISHIMOTO Thermostat
Ben_805
  • 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
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Mahle Thermostat
Olafmihe
  • Overheating:
Rating 1.0

Hatte auch schon ein Mahle Thermostat das kurz nach eimbau defekt war. Dannach ein Originales von BMW rein und seit dem wi3der keine Probleme.

Cons: kurz nach eimbau defekt
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MISHIMOTO Thermostat
king1fluffy
  • 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
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MISHIMOTO Thermostat

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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Other comparisons

Which thermostat to choose — Mahle 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 Mahle and MISHIMOTO
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which thermostat are better — MISHIMOTO or Mahle?

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

  1. Mahle received a PR Score of 54 out of 100, and MISHIMOTO scored 32 points.
  2. Mahle ranked 12 in the overall ranking, and MISHIMOTO ranked 14.
  3. The average rating is higher for Mahle (3.1) than for MISHIMOTO (2.2).
  4. Thermostat Mahle have better feature ratings than MISHIMOTO:
    • Cabin heat - owners believe, that this property for Mahle is better than MISHIMOTO.
    • Overheating - drivers claim, that this property for Mahle is outperforms MISHIMOTO.
    • Slow warm-up - reviews suggest, that this property for MISHIMOTO is preferred to Mahle.

Which thermostat are more popular — Mahle or MISHIMOTO?

In March 2026 on PartReview, thermostat Mahle were overall more popular than MISHIMOTO.

By vote balance, thermostat Mahle surpassed MISHIMOTO:

  • For Mahle, the ratio of positive (37) to negative (31) votes is 6 votes.
  • For MISHIMOTO, the ratio of positive (16) to negative (34) votes is -18 votes.

By number of reviews, thermostat Mahle surpassed MISHIMOTO:

Which thermostat do car owners prefer — Mahle or MISHIMOTO?

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

Mahle are chosen by owners of cars such as: Jeep Grand Cherokee, 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 Mahle with: MotoRad, Wahler, OEM Volkswagen, OEM Mazda, MOPAR, Gates, OEM BMW, OEM Nissan, OEM Audi, Duralast.

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

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