Timing belt AISIN or DAYCO

AISIN Timing belt

Get the Aisin (OEM supplier) Timing belt and water pump w/ hydraulic tensioner kit (TKT021) from RockAuto (good price, authentic Aisin).

Pros: good price, authentic
Part number: TKT-021
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AISIN Timing belt

I used to be a Toyota parts guy, we used aisin kits for all our timing belt jobs on all the UZ V8s, all of them are the same layout.

Pros: same layout
Vehicle: Toyota
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AISIN Timing belt

AISIN TKT-021 kit has everything you need for timing belt/water pump. The water pump is driven by the timing belt, so always replace it when doing the belt.

Pros: has everything you need
Vehicle: Toyota
Part number: TKT-021
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AISIN Timing belt

Re the timing belt, if that has not been done I would get to that immediately. At 350K km it is a ticking time bomb. Use, specify, or supply the Aisin TKH-002 timing belt kit. It is OEM quality

Pros: OEM quality
Vehicle: Honda Pilot
Mileage: 350000 km
Part number: TKH002
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AISIN Timing belt

I’ve used dozens of the Aisin TKH002 kits- they come with koyo bearings, a decent tensioner, and a Mitsuboshi timing belt, all very similar to the oem Honda parts. I think the only major difference is the Honda water pumps are usually made by Yamada and the aisin ones are made by aisin… I can’t say I’ve ever had failures with them

Pros: similar to oem Honda parts
Cons: Honda water pumps Yamada
Vehicle: Honda Pilot
Part number: TKH002
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DAYCO Timing belt

Wet belts dont like new fuel, and dont like low mileages... Found the below information which backs up what ive been saying for a long while, the ecoboost engines are fine...if they cover high mileages and oil is changed regularly.... Dayco, a leading belt manufacturer, has investigated the impact of ethanol and petrol contamination on its timing belts. Their research has indicated that the presence of fuel in the oil, especially due to short, low-speed drives, can overwhelm the oil’s additives and cause belt degradation. This means that the belts may fail before their expected lifespan, even if the belt itself is of high quality. The Importance of Proper Maintenance and Usage: To mitigate the risk of premature belt failure due to ethanol and petrol contamination, it’s crucial to maintain a vehicle properly. This includes avoiding short, low-speed journeys that can lead to fuel contamination of the oil. Regularly changing the oil and ensuring the oil filter is in good condition can help prevent fuel from entering the engine oil. If a vehicle is stored for extended periods, it’s advisable to use fuel stabilizer to prevent ethanol from separating and potentially damaging the fuel system, including the belt.

Pros: fine with high mileage
Cons: degrades with low mileage, sensitive to fuel
Vehicle: Ford
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Other comparisons

Which timing belt to choose — AISIN or DAYCO?

If choosing timing belt across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare timing belt across these categories:

Comparison of timing belt AISIN and DAYCO
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which timing belt are better — DAYCO or AISIN?

In March 2026 on PartReview, timing belt AISIN were overall better than DAYCO.

  1. AISIN received a PR Score of 97 out of 100, and DAYCO scored 73 points.
  2. AISIN ranked 1 in the overall ranking, and DAYCO ranked 10.
  3. The average rating is higher for AISIN (4.8) than for DAYCO (3.7).
  4. Timing belt AISIN have better feature ratings than DAYCO:
    • Noise - owners believe, that this property for AISIN is better than DAYCO.
    • Visible wear - drivers claim, that this property for AISIN is outperforms DAYCO.
    • Starting - reviews suggest, that this property for AISIN is preferred to DAYCO.

Which timing belt are more popular — AISIN or DAYCO?

In March 2026 on PartReview, timing belt AISIN were overall more popular than DAYCO.

By vote balance, timing belt AISIN surpassed DAYCO:

  • For AISIN, the ratio of positive (102) to negative (3) votes is 99 votes.
  • For DAYCO, the ratio of positive (28) to negative (10) votes is 18 votes.

By number of reviews, timing belt AISIN surpassed DAYCO:

Which timing belt do car owners prefer — AISIN or DAYCO?

In March 2026, according to PartReview, timing belt AISIN led more car-specific ratings than DAYCO:

AISIN are chosen by owners of cars such as: Subaru Legacy, and others.

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

Other comparisons of timing belt

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

For example, comparisons of timing belt AISIN with: Gates, OEM Volkswagen, OEM Honda, OEM Toyota, Continental, OEM FORD, Mitsuboshi, Contitech, OEM Subaru, OEM Volvo.

Also available: comparisons of timing belt DAYCO with: Gates, OEM Volkswagen, OEM Honda, OEM Toyota, Continental, OEM FORD, Mitsuboshi, Contitech, OEM Subaru, OEM Volvo.

You can also see who is better among other timing belt manufacturers: AISIN or Gates, Gates or OEM Volkswagen, Gates or OEM Honda, OEM Toyota or Gates, Continental or Gates.

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