When I drove a Volvo I just did a belt and water pump every year. OE Aisin one every time.
Aisin is what my shop used when mine started to die at 140k. No problems so far at 150k
Go for Aisin, Toyota just repackages same pump so skip the brand tax.
Aisin pump $67 on rockauto. I know they make a ton of Toyota OEM water pumps, not sure about this specific model.
I'd swap them out for multi-layer steel gaskets and new head bolts. Given the engine is in good order and hasn't had a gasket failure yet I'd say you'd be fine skipping the head decking and just install the new gaskets after a good cleaning.
Aisin is the maker of Toyota water pumps.
I've also had a Graf I think it was, it did have a metal impeller, which started leaking after 7 yrs.
I used the same kit on my tl and the water pump started leaking 2 years in.
I went with a aisin kit and at the 2 year mark the water pump went.
The Aisin kits are fine. I would not use a gates kit; the water pumps are junk and so are the tensioners
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If choosing water pump across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare water pump across these categories:
In March 2026 on PartReview, water pump AISIN were overall better than GRAF.
Water pump AISIN and GRAF were equally popular according to data in March 2026.
By vote balance, water pump AISIN surpassed GRAF:
By number of reviews, water pump GRAF surpassed AISIN:
In March 2026, according to PartReview, water pump GRAF led more car-specific ratings than AISIN:
GRAF are chosen by owners of cars such as: Volkswagen Jetta, Volkswagen Tiguan, and others.
AISIN are chosen by owners of cars such as: Toyota 4runner, and others.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of water pump AISIN with: OEM Volkswagen, OEM Audi, Gates, Hepu, Pierburg, OEM FORD, OEM BMW, OEM Toyota, GMB, Saleri.
Also available: comparisons of water pump GRAF with: OEM Volkswagen, OEM Audi, Gates, Hepu, Pierburg, OEM FORD, OEM BMW, OEM Toyota, GMB, Saleri.
You can also see who is better among other water pump manufacturers: OEM Audi or OEM Volkswagen, GRAF or OEM Volkswagen, AISIN or OEM Volkswagen, Gates or OEM Volkswagen, Hepu or OEM Volkswagen.
