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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