Thermostat OEM Audi or MOPAR

MOPAR Thermostat

The Mopar stats (mfg by Motorad) can be had from Rockauto, and are generally well regarded, if more expensive than generic parts store units.

Pros: generally well regarded
Cons: more expensive
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MOPAR Thermostat
squeekyball
  • Slow warm-up:
  • Overheating:
Rating 4.0

I got a Mopar thermostat from the dealer a few months ago. Works much better than the previous two aftermarket units

Pros: works much better
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MOPAR Thermostat
DerpiestDave
  • Slow warm-up:
Rating 5.0

In case anyone else comes across this post, it was the aftermarket thermostat. I managed to get a hold of a mopar one yesterday and the gasket around it was just slightly larger than the aftermarket one and needed a little bit of resistance to seat it. Now my truck is getting up to temperature quickly and working great.

Pros: truck working great
Cons: aftermarket thermostat bad
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MOPAR Thermostat

I replaced the thermostat in my wifes 2014 journey with the V6. It was an easy and straight forward job.

Pros: easy and straight forward
Vehicle: Dodge Journey
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OEM Audi Thermostat

I have an 06 Audi A3 2.0T Sportback with just over 105k miles; recently replaced the thermostat, spark plugs and coil packs. Other than being in need of some new brakes and a bit of cosmetic love, she's running strong.

Pros: running strong
Cons: needs new brakes
Vehicle: Audi A3
Mileage: 168981 km
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OEM Audi Thermostat
First-Taro-8760
  • Overheating:
Rating 3.0

Recently had the exact same issue on a 14 a6 ended up being a DOA t stat I compared the shaft length on the new t start to the 2nd new t stay and sure enough it protruded out about a mm further just enough to not seal properly causing the over cooling after the swap no more issues.

Pros: no more issues
Cons: over cooling
Vehicle: Audi A6
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MOPAR Thermostat
browning1396
  • Overheating:
Rating 3.0

I just bought one off RockAuto. I have to overhaul my entire coolant system and through some searching on this subreddit I saw a lot of people saying the Motorad brand kept failing after a few months. I didn\u2019t want to risk it so I opted for the Mopar thermostat from RockAuto for $35.

Cons: Motorad brand kept failing
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MOPAR Thermostat
healthyspecialk
  • Slow warm-up:
  • Overheating:
Rating 1.0

The thermostat failed twice. Once at like 80k miles and again at 115k miles. The second time it failed I replaced it with an aftermarket one that had a metal stem instead of plastic. It made it until we traded it in.

Pros: aftermarket lasted
Cons: failed twice, plastic stem
Vehicle: Jeep Renegade
Mileage: 80000 km
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Other comparisons

Which thermostat to choose — OEM Audi or MOPAR?

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 OEM Audi and MOPAR
  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 — MOPAR or OEM Audi?

In March 2026 on PartReview, thermostat MOPAR were overall better than OEM Audi.

  1. OEM Audi received a PR Score of 75 out of 100, and MOPAR scored 73 points.
  2. OEM Audi ranked 7 in the overall ranking, and MOPAR ranked 4.
  3. The average rating is higher for OEM Audi (4) than for MOPAR (3.8).
  4. Thermostat OEM Audi have better feature ratings than MOPAR:
    • Overheating - owners believe, that this property for OEM Audi is better than MOPAR.
    • Slow warm-up - drivers claim, that this property for MOPAR is outperforms OEM Audi.
    • Cabin heat - reviews suggest, that this property for MOPAR is preferred to OEM Audi.

Which thermostat are more popular — OEM Audi or MOPAR?

In March 2026 on PartReview, thermostat MOPAR were overall more popular than OEM Audi.

By vote balance, thermostat MOPAR surpassed OEM Audi:

  • For OEM Audi, the ratio of positive (27) to negative (9) votes is 18 votes.
  • For MOPAR, the ratio of positive (42) to negative (15) votes is 27 votes.

By number of reviews, thermostat MOPAR surpassed OEM Audi:

Which thermostat do car owners prefer — OEM Audi or MOPAR?

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

MOPAR are chosen by owners of cars such as: Jeep Wrangler, and others.

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

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

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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