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O2 sensor plug mystery

Discussion in '3rd Gen 4Runners (1996-2002)' started by Ramona The 4Runner, Nov 9, 2020.

  1. Nov 9, 2020 at 7:54 PM
    #1
    Ramona The 4Runner

    Ramona The 4Runner [OP] New Member

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    2000 SR5 automatic with 200k miles.

    Throwing bank 1 sensor 1. Upstream O2 sensor.

    Ordered the part from Rock Auto. It arrives. Plug doesn't match (pic attached). Go to AutoZone and they confirm that the part I got is supposedly the right one. They guy tries looking for answers but all he finds is plugs that appear to match, but are for other model years/transmission/drivetrains
    Any ideas?

    20201109_223501.jpg
     
  2. Nov 10, 2020 at 8:34 AM
    #2
    negusm

    negusm New Member

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    Call your dealer with you vin. Some cars got 02 sensors and some got A/F sensors. The dealer will know and give you the correct part number.

    Also do NOT buy aftermarket O2 sensors. They don't work for crap.
     
    Clutchplate likes this.
  3. Nov 10, 2020 at 9:00 AM
    #3
    Clutchplate

    Clutchplate New Member

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    I bought my Denso 02 sensors off Amazon. They were only about $50.
     
  4. Nov 30, 2020 at 6:57 AM
    #4
    Ramona The 4Runner

    Ramona The 4Runner [OP] New Member

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    You were spot on. Turns out it's a CA emissions truck. Weirdly enough, it's just a different NTK OEM sensor. Toyota and Autozone list it for $350-370. Rock Auto lists it for $157. Same. Damned. Part. ‍♂️
     
  5. Nov 30, 2020 at 9:17 AM
    #5
    negusm

    negusm New Member

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    Glad to help. As long as you can source the OEM supplier...you should be getting a good one. Part number?
     
  6. Nov 30, 2020 at 1:26 PM
    #6
    Ramona The 4Runner

    Ramona The 4Runner [OP] New Member

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    89467-35011 is the correct part per Toyota.
     
  7. Dec 3, 2020 at 10:34 AM
    #7
    gretzky2857

    gretzky2857 New Member

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