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2013 4.0 correct spark plug

Discussion in '2nd Gen. Tacomas (2005-2015)' started by warrenroadie, Mar 4, 2018.

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  1. Mar 4, 2018 at 3:12 AM
    #1
    warrenroadie

    #1
    warrenroadie [OP] Member

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    What is the correct spark plug for my 4.0.

    Denso K20HR-U11 or Denso IKH20 Iridium?
     
    warrenroadie, Mar 4, 2018
    #1
  2. Mar 4, 2018 at 3:41 AM
    #2
    diabetiktaco

    #2
    diabetiktaco Instalander

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    U11
     
    diabetiktaco, Mar 4, 2018
    #2
  3. Mar 4, 2018 at 5:20 AM
    #3
    sgtnewundies

    #3
    sgtnewundies Well-Known Member

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    Go with the Iridium plugs either NGK or Denso. You can change them every 80000 miles.
     
    sgtnewundies, Mar 4, 2018
    #3
  4. Mar 4, 2018 at 9:11 AM
    #4
    desertrunner24

    #4
    desertrunner24 Well-Known Member

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    Some
    K20HR-U11
     
    desertrunner24, Mar 4, 2018
    #4
  5. Mar 4, 2018 at 9:39 AM
    #5
    moondeath

    #5
    moondeath Well-Known Member

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    You want the U11, not the iridium.
     
    moondeath, Mar 4, 2018
    #5
    Shelf Life, inwood customs and Lord Helmet like this.
  6. Mar 5, 2018 at 1:21 AM
    #6
    warrenroadie

    #6
    warrenroadie [OP] Member

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    Thanks!
     
    warrenroadie, Mar 5, 2018
    #6
  7. Mar 5, 2018 at 7:18 AM
    #7
    Armed in Utah

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    Armed in Utah Well-Known Member

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    yep ^^^^^^^^^^^^^^^^^^
     
    Armed in Utah, Mar 5, 2018
    #7
  8. Mar 5, 2018 at 11:44 AM
    #8
    topoutman

    #8
    topoutman Well-Known Member

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    Another vote for U11!
     
    topoutman, Mar 5, 2018
    #8
  9. Mar 5, 2018 at 4:09 PM
    #9
    sgtnewundies

    #9
    sgtnewundies Well-Known Member

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    sgtnewundies, Mar 5, 2018
    #9
  10. Mar 5, 2018 at 7:00 PM
    #10
    taco2010trd

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    taco2010trd Cyber Bully

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    Use the Denso copper plugs as recommended by toyota
     
    taco2010trd, Mar 5, 2018
    #10
    inwood customs and Partzguy like this.
  11. Mar 6, 2018 at 12:38 AM
    #11
    Norton

    #11
    Norton Senior Member

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    Norton, Mar 6, 2018
    #11
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  12. Mar 6, 2018 at 3:20 AM
    #12
    balljoint

    #12
    balljoint Well-Known Member

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    I have always bought the copper plugs and changed at 48k km, which is what Toyota recommends. Over 500,000 km on the same engine and still get good performance and fuel economy. Odd thing, NAPA and other auto parts retailers always recommend the iridium plugs. Probably because they make more money selling them. I don't like leaving plugs in the engine that long.
     
    balljoint, Mar 6, 2018
    #12
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  13. Mar 6, 2018 at 3:55 AM
    #13
    ARB1977

    #13
    ARB1977 It’s a beaut Clark

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    Or run factory plugs to 60K with no change in gas mileage compared to new plugs.
     
    ARB1977, Mar 6, 2018
    #13
  14. Mar 6, 2018 at 4:46 AM
    #14
    tacoma909sport

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    tacoma909sport Well-Known Member

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    U11
     
    tacoma909sport, Mar 6, 2018
    #14
  15. Mar 6, 2018 at 5:02 AM
    #15
    Stryker420

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    Stryker420 Well-Known Member

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    I run platinum iridium... No issues in 40k.
     
    Stryker420, Mar 6, 2018
    #15
  16. Mar 6, 2018 at 8:45 AM
    #16
    Tiberius

    #16
    Tiberius Well-Known Member

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    Tiberius, Mar 6, 2018
    #16
  17. Mar 6, 2018 at 8:51 AM
    #17
    ejl923

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    ejl923 Well-Known Member

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    u11, thats what the dealer just gave me
     
    ejl923, Mar 6, 2018
    #17
  18. Mar 6, 2018 at 9:04 AM
    #18
    knottyrope

    #18
    knottyrope Well-Known Member

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    almost 187k on my original plugs
     
    knottyrope, Mar 6, 2018
    #18
  19. Mar 6, 2018 at 9:14 AM
    #19
    Shelf Life

    #19
    Shelf Life Well-Known Member

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    You probably still have Densos on one side and NGK's on the other if they are original.
     
    Shelf Life, Mar 6, 2018
    #19
  20. Mar 6, 2018 at 10:14 AM
    #20
    stickyTaco

    #20
    stickyTaco Fuck Cancer

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    Pretty sure the iridium plugs are for 4 bangers. Use the U11 as recommended by Toyota.
     
    stickyTaco, Mar 6, 2018
    #20
    taco2010trd and ejl923 like this.
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