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I've taken to buying made in japan mazda rx8 filters for my 2015 impreza.
The Mazda filter has a higher capacity and larger design compared to the OEM Subaru filter. So, it will hang down slightly lower than OEM. The anti-drain back pressure seems to be similar, but I have never verified myself. I ran this filter on my 2005 Impreza WRX STi for a few years.
I’d high recommend doing an oil change with 10w30, putting on a factory oil filter (they’re about $10 at the dealer and come with a crush washer), and seeing how it behaves then. I recommend factory filters because for some very odd reason, I had less (or no) lifter tick when I used factory filters vs. aftermarket.
Have a look at Valvoline restore and protect which is also for high mileage vehicles. Also grab a few oil filters, as the product does such a good job, you'll want to replace the oil and filter, do a few good long drives in the first weeks/month, replace the filter, do it again over the next few months, replace the filter, and keep that for the rest of the year ( maybe check the filter just in case ), and you'll see just how well it does.
Mazda oil filters are good but there are aftermarket filters equal and some are better than Mazda filters. Call the independent shop and ask what oil and filter they use then research it.
Valvoline synthetic with oem filter.
In my Turbo, I use what many consider the best oil for gdi engines, pennzoil ultra platinum 5w/30 with the oem mazda filter. Although some aftermarket filters have better filter media, none meet the 22 psi bypass valve specs on the turbo engine.
Since I change my oil every 3,500 miles, the OEM is the best choice.
I went through the same thing, I believe the part number that they gave you is the made in Mexico Mazda value oil filter. It worked on my 2.5 NA. Though in my opinion, the quality of the filter is subpar compared to the OEM made in Thailand filters.
Their most recent mistake cost me my entire vehicle. They put my oil filter cover on without an oil filter. This caused debris from less than three months to create enough friction to blow a piston arm in my engine.
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In March 2026 on PartReview, oil filter OEM Mazda were overall better than VALVOLINE.
In March 2026 on PartReview, oil filter OEM Mazda were overall more popular than VALVOLINE.
By vote balance, oil filter OEM Mazda surpassed VALVOLINE:
By number of reviews, oil filter OEM Mazda surpassed VALVOLINE:
In March 2026, according to PartReview, oil filter OEM Mazda led more car-specific ratings than VALVOLINE:
OEM Mazda are chosen by owners of cars such as: Mazda 3, and others.
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For example, comparisons of oil filter VALVOLINE with: Fram, Mann, Wix, Mobil, K&N, Bosch, OEM Toyota, Motorcraft, OEM Volkswagen, OEM Honda.
Also available: comparisons of oil filter OEM Mazda with: Fram, Mann, Wix, Mobil, K&N, Bosch, OEM Toyota, Motorcraft, OEM Volkswagen, OEM Honda.
You can also see who is better among other oil filter manufacturers: Fram or Mann, Fram or Wix, Fram or Mobil, Fram or K&N, Mann or Wix.