Paid $500 to a trusted mechanic. Ordered an AISIN timing belt kit and a Bando drive belt for around $250 (including tax and shipping).
Get the Aisin (OEM supplier) Timing belt and water pump w/ hydraulic tensioner kit (TKT021) from RockAuto (good price, authentic Aisin).
A mouse got itself in behind the timing cover on my dad's Tundra. The mouse got et, the engine jumped time. Somehow the valves were OK. New belt and a bit of gore removal and it was back to normal.
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.
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.
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
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
Aisin timing belt kit is a few hundred bucks and very nice quality parts.
This was the most frustrating repair I've ever done. I've done plenty of timing belt/chain jobs before but this one sucked.
You can't tell if the timing marks are lined up, the belt doesn't have marks on it and no where on line tells you how many belt teeth there should be from one mark to the others to check your work. I buttoned it up and was off a tooth on the driver's side, I could have set the truck on fire. It worked fine after I did the job a second time.
I think this is what has happened to a 91 Soarer I rescued from a field. Sounded WEIRD trying to start. Went to check plug leads and thats where I saw the chewed up and snapped timing belt.
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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:
In March 2026 on PartReview, timing belt AISIN were overall better than OEM Toyota.
In March 2026 on PartReview, timing belt AISIN were overall more popular than OEM Toyota.
By vote balance, timing belt AISIN surpassed OEM Toyota:
By number of reviews, timing belt AISIN surpassed OEM Toyota:
In March 2026, according to PartReview, timing belt AISIN led more car-specific ratings than OEM Toyota:
AISIN are chosen by owners of cars such as: Subaru Legacy, and others.
Timing belt OEM Toyota have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of timing belt OEM Toyota with: Gates, OEM Volkswagen, OEM Honda, Continental, OEM FORD, Mitsuboshi, Contitech, OEM Subaru, DAYCO, OEM Volvo.
Also available: comparisons of timing belt AISIN with: Gates, OEM Volkswagen, OEM Honda, Continental, OEM FORD, Mitsuboshi, Contitech, OEM Subaru, DAYCO, 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.
