Thermostat Wahler or OEM Honda

PartReview Score

Rank #13 in ranking

-3

2.9

Cabin heat

1.8

Overheating

2.8

Slow warm-up

2.1

No data

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #6 in ranking

4.4

Overheating

4.3

Slow warm-up

3.6

Owners' choice:

Honda Civic

Reviews

All

Wahler

OEM Honda

Wahler › Thermostat

BMWMikeM 21 Dec 2025, 19:59

Rating 5.0

In the past and up to several months ago, I’ve always gone with Saleri (Italy) pumps and Wahler (Germany) thermostats for the M54 and have had great results.

Pros: great results

OEM Honda › Thermostat

mayttr 15 Dec 2025, 18:59

Overheating:

Rating 4.0

I had the same exact car with same exact problem. I changed the thermostat once and it fixed it for about a year. The issue came back and I changed again and it fixed it again... So I'd say get an OEM one if you can.

Pros: fixed it for a year

Cons: issue came back

Vehicle: Honda Civic

OEM Honda › Thermostat

Limoundo 15 Dec 2025, 15:18

Slow warm-up:
Overheating:

Rating 5.0

our 2009 CRV was taking a long time to get to operating temperature and then fluctuating a lot while driving. a new thermostat fixed it.

Pros: thermostat fixed it

Cons: fluctuating a lot

Vehicle: Honda

OEM Honda › Thermostat

Abject_Attitude8413 15 Dec 2025, 14:29

Overheating:

Rating 5.0

Don\u2019t listen to these people I have an 08 ex Sam problem replaced thermostat 2 weeks ago in 15 minutes problem is gone

Pros: problem is gone

Vehicle: Honda Civic

Wahler › Thermostat

mrkprsn 3 Nov 2025, 15:07

Overheating:

Rating 4.5

I had a wahler thermostat and my temp range was 93-96

Pros: stable temperature range

Vehicle: BMW

Wahler › Thermostat

ricardovsanto 19 Dec 2018, 02:56

Overheating:

Rating 3.0

My 2007 MKV 2.5 Jetta is still having overheat problems even after changing the tstat to a OEM (Wahler) and the waterpump to one with metal impeller, which works way better than the original.

Pros: metal impeller works better

Cons: still having overheat problems

Vehicle: Volkswagen Jetta

Wahler › Thermostat

TheOnlyQueso 11 Dec 2025, 02:55

Rating 2.0

I recently changed the thermostat on my dad's car as well, I went with a wahler, and I'm observing the same things.

Cons: observing the same things

Wahler › Thermostat

jimjoe21 3 Nov 2025, 05:59

Slow warm-up:
Cabin heat:

Rating 0.5

I decided to try another thermostat, this time a Wahler and nothing has changed as the car will still not get up to temperature and no hot air.

Cons: car not reaching temperature, no hot air

Vehicle: BMW

Wahler › Thermostat

Fiendingas 4 Jun 2025, 06:01

Rating 0.5

I changed on mine 2-3 months ago with a new one from Wahler/Borg Warner and now it's leaking through the connector.

Cons: leaking through connector

Wahler › Thermostat

Fiendingas 28 May 2025, 19:41

Rating 1.5

I have experienced same with Wahler thermostat.

Cons: same problem experienced

Vehicle: BMW

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Which thermostat to choose — Wahler or OEM Honda?

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 Wahler and OEM Honda

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

Which thermostat are better — OEM Honda or Wahler?

In March 2026 on PartReview, thermostat OEM Honda were overall better than Wahler.

Wahler received a PR Score of 48 out of 100, and OEM Honda scored 83 points.
Wahler ranked 13 in the overall ranking, and OEM Honda ranked 6.
The average rating is higher for OEM Honda (4.4) than for Wahler (2.9).
Thermostat OEM Honda have better feature ratings than Wahler:
- Slow warm-up - owners believe, that this property for OEM Honda is better than Wahler.
- Cabin heat - drivers claim, that this property for Wahler is outperforms OEM Honda.
- Overheating - reviews suggest, that this property for OEM Honda is preferred to Wahler.

Which thermostat are more popular — Wahler or OEM Honda?

Thermostat Wahler and OEM Honda were equally popular according to data in March 2026.

By vote balance, thermostat OEM Honda surpassed Wahler:

For Wahler, the ratio of positive (41) to negative (44) votes is -3 votes.
For OEM Honda, the ratio of positive (26) to negative (5) votes is 21 vote.

By number of reviews, thermostat Wahler surpassed OEM Honda:

For thermostat Wahler there are 28 reviews: 13 positive, 1 neutral, 14 negative.
For thermostat OEM Honda there are 10 reviews: 8 positive, 1 neutral, 1 negative.

Which thermostat do car owners prefer — Wahler or OEM Honda?

In March 2026, according to PartReview, thermostat OEM Honda led more car-specific ratings than Wahler:

OEM Honda are chosen by owners of cars such as: Honda Civic, and others.

Thermostat Wahler 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 Wahler with: MotoRad, OEM Volkswagen, Mahle, OEM Mazda, MOPAR, MISHIMOTO, Gates, OEM BMW, OEM Nissan, OEM Audi.

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