2012 Prius v Wagon Front Seat Mounting Bolts -14mm, What Pitch?

Discussion in 'Prius v Accessories and Modifications' started by Air_Boss, Nov 9, 2021.

  1. Air_Boss

    Air_Boss Senior Member

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    Anyone know what is the bolt pitch of 2012 Prius v Wagon Front Seat Mounting Bolts?

    They are 14mm bolt heads, but what pitch?

    Thanks.
     

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  2. jzchen

    jzchen Senior Member

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    I hate to not have an answer I just went to the parts.toyota.com site and found 90119A0304. They MSRP at $1.47.

    My local Home Depot has the bolt and nut sizer with thread pitch....

    REVVL V+ 5G ?
     
  3. xliderider

    xliderider Senior Member

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    From Albany County Fasteners:

    "For metric fasteners, thread pitch is used in place of TPI. The distance is also measured in millimeters. To measure thread pitch, use a caliper and measure from the peak of one thread to the next."

    In a pinch, you can try to use a ruler with metric markings to see if the threads are 1mm, 1.5mm, 2mm, etc pitch.

    Posted via the PriusChat mobile app.
     
  4. Mendel Leisk

    Mendel Leisk Sand Pounder

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    Take out one of the bolts you have, check fit with a metric nut (at hardware store), then (assuming you find a fitting one) get appropriate bolts.
     
  5. Air_Boss

    Air_Boss Senior Member

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    Good suggestions, all. Thanks!
     
  6. Georgina Rudkus

    Georgina Rudkus Senior Member

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    Any bolt with a 14mm hex head on a Toyota product will be M10x1.25 pitch thread. Toyota conforms with the J.I.S, or Japan Industrial standard.
     
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  7. Air_Boss

    Air_Boss Senior Member

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    Good to know. Thanks!
     
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  8. gromittoo

    gromittoo Active Member

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    Which begs the question, why do you need new seat mounting bolts? They don't get much wear and tear on them.
     
  9. Air_Boss

    Air_Boss Senior Member

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    I am considering raising the front legs of the passenger/SO seat by 1-1/2 inches using a machined riser, which would require longer bolts. Still in the safety engineering stage, but think the bolts are going to have to be SAE Grade 8 (Metric Grade 10.9).
     
  10. Georgina Rudkus

    Georgina Rudkus Senior Member

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    Grade 10.9 J.I.S flange bolts are readily available from several vendors on eBay. I have a sizeable supply of them that I have acquired over the past 10 years. Jinn Herr is the most prominent supplier of these bolts. They are marked with with the raise letters "JH." on their heads. "WT" is another supplier.

    My favorite is an assortment of these bolts in varying sizes an lengths with matching flange nuts in a nice compartmented steel box for around $100 with free shipping. All are ISO grade 10.9. These really come in very handy, A few ones of these bolts pays for the whole box compared to searching for and buying them in small lots individually.

    All of them match the thread sizes and hex wrench sizes of the bolts used on all Toyota vehicles.

    Everyone who owns and works on his or her Toyota should buy and have this kit on hand. A good example is the M6x1.0c30mm flange bolt that holed the coil on to the car. That is included with this kit. An auto parts store might have this bolt but not with the flange head.
     
    #10 Georgina Rudkus, Nov 9, 2021
    Last edited: Nov 10, 2021
  11. jzchen

    jzchen Senior Member

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  12. Georgina Rudkus

    Georgina Rudkus Senior Member

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  13. Air_Boss

    Air_Boss Senior Member

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  14. Mendel Leisk

    Mendel Leisk Sand Pounder

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    In the States McMaster Carr is one go-to name for bolts, and various hardware bits.
     
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  15. gromittoo

    gromittoo Active Member

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    I am just over six feet. With my 2017 four's fully adjustable seat, I can raise the front of the seat to make it more comfortable. I would like to be able to raise the front of the drivers seat in my 2013 two as well. The back of my legs just above the knee need support. I typically drive Uber for 13 hour stretches, and my knees do hurt after a while.
     
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  16. Air_Boss

    Air_Boss Senior Member

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    We are both taller, and the SO is long of leg, so that’s where the attention and relief are directed. I will give ride reports after installation and use!
     
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  17. gromittoo

    gromittoo Active Member

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    If other family members need to drive the car, then it would be helpful to make this new "adjustment" to the seat quickly and easily reversible. Lets get the data on if it actually helps first.
     
  18. Air_Boss

    Air_Boss Senior Member

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    This is a passenger seat only mod. SO prefers not to drive the v.
     
  19. Air_Boss

    Air_Boss Senior Member

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    Well, the verdict is in, and the 1.5” lift was a success. The added thigh support made all the difference. SO Approved!
     
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  20. rjparker

    rjparker Senior Member

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    I bought an extend a seat bracket kit back in the day.
     
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