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Correct O2 part numbers?

Discussion in '1st Gen. Tacomas (1995-2004)' started by kuntry09, Dec 3, 2018.

  1. Dec 3, 2018 at 8:09 PM
    #1
    kuntry09

    kuntry09 [OP] Well-Known Member

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    I purchased new Denso O2 sensors for my ‘99 prerunner extra cab. I ordered NP 234-4162 for the upstream, and NP 234-4153 for the down stream. The upstream is correct, the lead is just slightly longer on the new one. However, on the downstream the new lead is about 6” or so shorter than the old sensor. Did I order the incorrect downstream sensor? I got the PNs by cross referenced numbers on the Denso site. I can make the downstream work, but would rather return it for the correct one.
     
  2. Dec 3, 2018 at 8:11 PM
    #2
    Sperrunner

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  3. Dec 3, 2018 at 10:25 PM
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    Empty_Lord

    Empty_Lord Wallet abuser

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    The wire length should be identical to the original. It’s possible you may have gotten a sensor for a Cali emissions or not cali emissions (I don’t know what it
    You have) if you have 2 cats it is cali. 1 cat is federal
     
  4. Dec 3, 2018 at 10:28 PM
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    Matic

    Matic The "OFG" Baby!!!

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    What do you mean by "cali"?
    California emissions? That can't possibly be right for 2 cats. I'm almost certain I have 2 cats and I'm no where near cali.
     
  5. Dec 3, 2018 at 10:30 PM
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    Empty_Lord

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    I’m pretty sure 99 had the option for dual cats or single. The emission label under he hood would say.

    And I forgot but the manual sensor is different from the automatic
    Chances are if the sensor you have reached the plug in though it would likely work
     
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  6. Dec 3, 2018 at 10:31 PM
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    Empty_Lord

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    Oh you have an 02. All the trucks from 2001 I believe are 50 state spec
     
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  7. Dec 4, 2018 at 6:54 AM
    #7
    onakat

    onakat Well-Known Member

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    if you have extended cab, the good downstream sensor is 234-4189, but for some weird reason, it sometimes does not show up in searches as a compatible part...

    The sensors are the same, the only difference is the wires lenght. You could cut and splice the new sensor to your old wiring and it will work no problem (that's what I did on mine)
     
    Last edited: Dec 4, 2018
  8. Dec 5, 2018 at 7:35 PM
    #8
    kuntry09

    kuntry09 [OP] Well-Known Member

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    Thanks for that! I’ll see if I can find that part number on rockauto. Worst comes to worst, I’ll use the sensor I purchased and extend the wires slightly.
     

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