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Hey all What's the best spark plug for my 4.0 TRD?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by LOJOTACO, Mar 20, 2019.

?

Best plug for 4.0 TRD

  1. OEM

    16 vote(s)
    33.3%

  2. DENSO

    34 vote(s)
    70.8%

  3. Other....

    1 vote(s)
    2.1%
Multiple votes are allowed.
Page 2 of 2
  1. Mar 21, 2019 at 7:14 AM
    #21
    TacoFergie

    #21
    TacoFergie Well-Known Member

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    NGK Iridums here. Don't have to worry about them for a REALLY long time and they provide a better spark. NGK or Denso has been my go to plugs (and O2 sesnors) for 15+ years for everything but a couple ford (motorcraft for those) models. NEVER get Bosch Platinums or Bosch anything for that matter, except thier wiper blades.
     
    TacoFergie, Mar 21, 2019
    #21
  2. Mar 21, 2019 at 7:23 AM
    #22
    JimboAnz

    #22
    JimboAnz #OldNorm

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    JimboAnz, Mar 21, 2019
    #22
    Lester Lugnut likes this.
  3. Mar 21, 2019 at 8:27 AM
    #23
    jburner

    #23
    jburner Well-Known Member

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    I changed out the NGK and Denso at 78k when I got my truck. NGK were more worn than Denso. FWIW.
     
    jburner, Mar 21, 2019
    #23
  4. Mar 21, 2019 at 9:07 AM
    #24
    Tacosail

    #24
    Tacosail Well-Known Member

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    The cheap factory work well. I changed mine out at 90000 mi. The gap was a little wide, but still ran good. I will change them out every 30000 miles just so they don't seize up in the head.
     
    Tacosail, Mar 21, 2019
    #24
  5. Mar 21, 2019 at 11:07 AM
    #25
    Rick's 2012

    #25
    Rick's 2012 Well-Known Member

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    Factory Denso K20HR-U11
     
    Rick's 2012, Mar 21, 2019
    #25
    steveo27 likes this.
  6. Mar 21, 2019 at 2:39 PM
    #26
    dolbytone

    #26
    dolbytone Well-Known Member

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    Deez

    C7C42C51-72E7-4CF0-BB03-BF9CCE6ABE2E.jpg
     
    dolbytone, Mar 21, 2019
    #26
    steveo27 likes this.
  7. Mar 21, 2019 at 2:58 PM
    #27
    Rick's 2012

    #27
    Rick's 2012 Well-Known Member

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    ^^^^^^^^^
    Deem

    100%
     
    Rick's 2012, Mar 21, 2019
    #27
  8. Mar 21, 2019 at 6:12 PM
    #28
    Apex1

    #28
    Apex1 Well-Known Member

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    The best plug is the freshest one. Period.

    Either that or splitfire!
     
    Apex1, Mar 21, 2019
    #28
  9. Mar 22, 2019 at 4:25 AM
    #29
    lynlan1819

    #29
    lynlan1819 Well-Known Member

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    Denso copper
     
    lynlan1819, Mar 22, 2019
    #29
  10. Mar 24, 2019 at 9:56 PM
    #30
    LOJOTACO

    #30
    LOJOTACO [OP] Member

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    These look like they over 100,000
    The right side of engine plugs are a bitch

    20190323_202401.jpg
     
    LOJOTACO, Mar 24, 2019
    #30
  11. Sep 21, 2019 at 2:30 PM
    #31
    Tacomasaurus Rex

    #31
    Tacomasaurus Rex Well-Known Member

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    Looked at a few posts about "Spark Plugs" today. Going with the Denso's but underhood sticker on my 2003 says to use the twin ground electrode plugs ONLY. Why doesn't the Denso Iridiums have the twin ground electrodes? Says Iridiums are better than Platinum but since this post started is the sticker advice irrelevant? Gonna order on line at advanced Auto Parts but not sure what is best to buy for my 2003 V6 4x4 Taco
     
    Tacomasaurus Rex, Sep 21, 2019
    #31
  12. Sep 21, 2019 at 2:46 PM
    #32
    Lester Lugnut

    #32
    Lester Lugnut Well-Known Member

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    I've had this happen on ebay with all kinds of auto parts. One seller told me that ebay only allows so many displays(maybe this translates to database space) for vehicle description; therefore some applicable vehicle displays fail to show all vehicles that a part fits. Could be BS - who knows. Best to check online Toyota parts sellers for correct part number.
     
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    Lester Lugnut, Sep 21, 2019
    #32
  13. Sep 21, 2019 at 4:31 PM
    #33
    topoutman

    #33
    topoutman Well-Known Member

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    What ever Toyota says to use for my truck I use. Copper Denso.
     
    topoutman, Sep 21, 2019
    #33
  14. Sep 21, 2019 at 5:20 PM
    #34
    winkel

    #34
    winkel Well-Known Member

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    If I'm not mistaken, that truck has the 3.4 liter engine. It does require the double ground plug. My old T-100 had the 3.4 and that's what I always used. In fact, I sold that truck to a nephew of mine a couple of years ago and he is still driving it in Des Moines, with a little over 293,000 miles on it. I changed the timing belt and water pump three times on that truck in the 17 years I had it. Those are good engines.
     
    winkel, Sep 21, 2019
    #34
  15. Sep 21, 2019 at 6:49 PM
    #35
    MtnMan307

    #35
    MtnMan307 Well-Known Member

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    MtnMan307, Sep 21, 2019
    #35
    cleats50 likes this.
  16. Sep 21, 2019 at 8:10 PM
    #36
    cleats50

    #36
    cleats50 Well-Known Member

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    cleats50, Sep 21, 2019
    #36
  17. Sep 21, 2019 at 8:28 PM
    #37
    Win9chun

    #37
    Win9chun The Boss

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    anyone change the wires out when you do the plugs?
     
    Win9chun, Sep 21, 2019
    #37
Page 2 of 2

Products Discussed in

Toyota Genuine Spark Plug
$6.00
NGK (7787) LFR6C-11 V-Power Spark Plug, Pack of 1
$5.45
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