2006 Prius Oem Filter?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Nate00, Oct 16, 2025.

  1. Nate00

    Nate00 Junior Member

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    Hello everyone I just got the 2nd oil change with valvoline restore and protect on our gen 2 and its helped reduce consumption. Only 1 quart in about 5k miles with 190K miles so its a lot better than 2.5 quarts burnt like before, also lots of hwy miles now.

    Current filter installed is a 90915-YZZD1 is that fine to use on it? The toyota website is telling me 90915-YZZN1 please let me know!
     
  2. Tombukt2

    Tombukt2 Senior Member

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    I'm sure the numbers change several times over whatever so Toyoda tells ya probably correct. 8 run a 3600 on all my Gen 2 whoops
     
  3. Nate00

    Nate00 Junior Member

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    Its a bigger filter and the dealer told me its not the right fit….
     
  4. dolj

    dolj Senior Member

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    How did you arrive at fitting the 90915-YZZD1?
     
  5. Nate00

    Nate00 Junior Member

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    Picked off the shelf and incorrect toyota website saying it could fit
     
  6. BiomedO1

    BiomedO1 Senior Member

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    The D1 filter has about twice the capacity of the N1 filter. I believe the D1 is used on the 2.7L and V6 Toyota engines. The diameter of the D1 filter is also larger. The sealing o-ring of the D1 is the same as the outside diameter of the N1 oil filter - not sure if it's going to seal if your car calls for a N1 oil filter.
    There's also the question of at what pressure does the oil filter bypass valve open, if the filter gets plugged. Do they all pop open at the same oil pressure? Is the small displacement engine oil pump capable of generating enough oil pressure to open the bypass valve? While having a larger capacity oil filter is nicer to have, those basic questions above needs to be addressed.
     
    #6 BiomedO1, Oct 18, 2025
    Last edited: Oct 18, 2025
  7. Tombukt2

    Tombukt2 Senior Member

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    Good been running em for years now in all the toys here screws rt on . No it's not made for . Oh shucks
     
  8. Nate00

    Nate00 Junior Member

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    So you’ve used these on your gen 2 prius? No issue?? I have the N1 now so maybe just replace for peace of mind…
     
  9. Tombukt2

    Tombukt2 Senior Member

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    It's all I have in the shop fits all my toyoda's so I use it it's on all that are here now 06 07 08 Prius sienna van 02 Corolla 1z.
     
  10. Tombukt2

    Tombukt2 Senior Member

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    Makes oil changes very easy
     
    priumium likes this.
  11. BiomedO1

    BiomedO1 Senior Member

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    It's nice to know that they fit, but I wouldn't do that if the car is still under a power-train warranty. That's fair grounds to void that warranty; installing wrong parts on the engine.

    Just my two cents.......
     
  12. Tombukt2

    Tombukt2 Senior Member

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    Yeah well that may be I hope to never have to have a vehicle in warranty personally that's for others if ya will
     
  13. bisco

    bisco cookie crumbler

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    love a new car every few years (y)
     
  14. Tombukt2

    Tombukt2 Senior Member

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    Nope I do not the older the better the tried and true haulers. That's why I haven't plunged aanything into electrics . They got a good ways to go before I even really start looking at them
     
  15. Nate00

    Nate00 Junior Member

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    So overall the consensus is that if I run this D1 filter for 5k would I be fine? Or should I just swap it out for the N1 filter? Thanks!

    PS- Valvoline Restore and Protect VRP has reduced consumption on ours to about 1 quart in 5k versus 2.5 quarts the past 2-3 oil changes.
     
  16. pasadena_commut

    pasadena_commut Senior Member

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    If the filter fits it should be fine. There is a video on YouTube somewhere where they tested a bunch of filters and it includes the Toyota OEM one. Found it:



    See also

    Is the Prius oil filter as bad as this one? | PriusChat

    In the thread I hypothesized that the Toyota filter is optimized for flow rate and capacity, so it doesn't clean as fast, but should get there eventually. In the test video they don't say how many times they run the fluid through on the filtering test, but show a small fixed number (apparently 5). For the capacity test they keep adding dust until the pressure differential goes up by 8 psi. Filter test at 5:40, capacity test at 6:40. The capacity of the Toyota OEM filter is much larger than the others. The only way to make sense of that is that it filters slowly. So it does poorly in the initial filter test (limited number of passes) and well in the capacity test (very large number of passes).

    Either that or it continues to filter poorly and their capacity measurement is garbage. That would happen if particles continue to pass through unfiltered forever and the "huge capacity" has miscounted dust still in the oil as having been absorbed in the filter.