I have read several test reports e.g.
Ron
That test is 11 years old.
Cant access the URL. But the MR2 and Celica guys are generally of the opinion that Toyota filters are the best, mainly due to the lack of check valves in most aftermarket ones. Also the oil change interval on a 3sgte engine is between 3K and 5K miles - in which time none of my filters have looked particularly clogged and the oil rarely gets much more than lightly browned.
Also that test is of questionable accuracy, when after 5 mins 0% of the
10 mic particles were filtered yet after another 5mins 1% were?
Wow...how things change.
Just about 20 years ago, Consumer Reports said something to the effect that if you owned a Toyota, you were getting the best fiter made! Using the same tests as cited in this report.
I was buying them by the case, since I had two Corollas that used the same filter.
Here us another article
rj
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I try to make sure mine say "Made in Japan" I believe they are Denso, if memory serves...
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