Thermostat OEM Audi or Motorcraft

PartReview Score

Rank #7 in ranking

4.0

Overheating

4.1

No data

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #8 in ranking

3.9

Cabin heat

4.0

Overheating

3.5

Slow warm-up

4.0

No data

Reviews

All

OEM Audi

Motorcraft

OEM Audi › Thermostat

_pbentley 16 Dec 2025, 20:44

Rating 4.0

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

Motorcraft › Thermostat

AdAggravating8273 5 Dec 2025, 12:18

Slow warm-up:
Cabin heat:

Rating 4.0

Your thermostat is probably stuck open. Replace it with an OEM Motorcraft version, not aftermarket.

Pros: OEM Motorcraft version

Cons: not aftermarket

Motorcraft › Thermostat

1TONcherk 8 Apr 2025, 20:59

Overheating:

Rating 5.0

The Motorcraft thermostat sounds promising though, never have an issue with genuine ford parts.

Pros: no issues, reliable

Vehicle: Jeep Cherokee

Motorcraft › Thermostat

Retentismal 8 Apr 2025, 19:18

Overheating:

Rating 5.0

I used a motorcraft RT-1139 thermostat. Comes with a jiggle valve to help bleed air already installed and cost me 8 bucks. You won’t find any place that says they fit other than some forum posts but they do indeed work, I installed one on my MJ with the only issue being me not refilling the radiator after dumping all the coolant.

Pros: works well, jiggle valve, good value

Vehicle: Jeep

Part number: RT-1139

Motorcraft › Thermostat

Bit_the_Bullitt 17 Mar 2025, 20:07

Overheating:

Rating 5.0

I requested they use only Motorcraft thermostat, because I knew there was a part # update. Threw the updated Motorcraft one in and it solved the issue.

Pros: solved issue, updated part

Vehicle: Ford

Motorcraft › Thermostat

Jimmytootwo 2 Mar 2025, 20:44

Overheating:

Rating 4.5

Soon as i bought Motorcraft all was normal again

Pros: all was normal

Vehicle: Ford

OEM Audi › Thermostat

First-Taro-8760 26 Dec 2025, 08:40

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

OEM Audi › Thermostat

Longjumping-Dare9429 15 Dec 2025, 00:24

Overheating:

Rating 3.0

Had this happen to our 2018 Q5 a few months back, 35k miles on the SUV. Thermostat issue plus some other stuff.

Vehicle: Audi Q5

Mileage: 56327 km

Motorcraft › Thermostat

Cardinal_350 21 Mar 2025, 04:30

Overheating:

Rating 1.0

I bought a Motorcraft thermostat from the Ford dealer for my Crown Vic and it ran about 20 degrees cold.

Cons: ran 20 degrees cold

Vehicle: Ford Crown Victoria I

Motorcraft › Thermostat

sawmillmattocks 13 May 2024, 12:56

Overheating:

Rating 1.0

I’ve had a Motorcraft thermostat fail after 100mi on my Ford

Cons: failed quickly

Vehicle: Ford

Mileage: 161 km

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Which thermostat to choose — OEM Audi or Motorcraft?

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 Motorcraft

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

Which thermostat are better — Motorcraft or OEM Audi?

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

OEM Audi received a PR Score of 75 out of 100, and Motorcraft scored 74 points.
OEM Audi ranked 7 in the overall ranking, and Motorcraft ranked 8.
The average rating is higher for OEM Audi (4) than for Motorcraft (3.9).
Thermostat OEM Audi have better feature ratings than Motorcraft:
- Overheating - owners believe, that this property for OEM Audi is better than Motorcraft.
- Slow warm-up - drivers claim, that this property for Motorcraft is outperforms OEM Audi.
- Cabin heat - reviews suggest, that this property for Motorcraft is preferred to OEM Audi.

Which thermostat are more popular — OEM Audi or Motorcraft?

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

By vote balance, thermostat OEM Audi surpassed Motorcraft:

For OEM Audi, the ratio of positive (27) to negative (9) votes is 18 votes.
For Motorcraft, the ratio of positive (23) to negative (8) votes is 15 votes.

By number of reviews, thermostat OEM Audi surpassed Motorcraft:

For thermostat OEM Audi there are 11 reviews: 7 positive, 3 neutral, 1 negative.
For thermostat Motorcraft there are 10 reviews: 7 positive, 1 neutral, 2 negative.

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

In March 2026, according to PartReview, thermostat OEM Audi and Motorcraft 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 OEM Audi with: MotoRad, Wahler, OEM Volkswagen, Mahle, OEM Mazda, MOPAR, MISHIMOTO, Gates, OEM BMW, OEM Nissan.

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

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.