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Which knock sensor do I need?

This is a discussion on Which knock sensor do I need? within the General Help forums, part of the LSx Technical Help Section category; Which knock sensor do I need, with or without the locating tab? What brand would you recommend for a Knock ...

  1. #1
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/a little mods...

    Which knock sensor do I need?

    Which knock sensor do I need, with or without the locating tab?



    What brand would you recommend for a Knock Sensors?

    Advance Auto has
    ACDelco - 58
    Delphi - $60

    O'Reillys has

    BWD - $50
    Master Pro - $60

    Autozone has
    Duralast - $47

  2. #2
    Junior Member
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    Pewter
    2002 Trans am WS6 T-top

    I take it its for the 98 T/A. Go with Delco/Delphi. I had some issues with BWD parts, its a no wonder that the cheaper the part or lack of quality has the longest warranty. Just my .02 cents. I would replace both knocks and the harness. The wires are usally hard and brittle at the base (black round circle top).

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    Moderator Cutlass's Avatar
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    2001 Silverado Z71

    Definitely AC Delco or Delphi (probably the same thing)

  4. #4
    expensive tires az gt eater's Avatar
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    x2 for the harness.

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    Auto Painter RyanJM's Avatar
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    We just.got a set of delco 's for the 02 LS1 doing into.my friends 240sx. Got the on eBay brand new $50 for the set. When it comes to replacing factory parts like that I use delco on my TA and trailblazer and motorcraft on my 93 5.0. Always fit and works the way it should.
    1998 Trans Am 85k miles.
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  6. #6
    Spaz is My Mentor SMWS6TA's Avatar
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    Cutlass, I'm having problems finding the harness do you have the part number?

    GMPartsDirect told me its not in service anymore.

  7. #7
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    No I don't but apparently there are 2 different style knock sensors on Gen III LS engines. If you swap in the 99 to 2002 knock sensors, then you can use the 99 to 2002 harness which I found with a quick google search


    harness # 12601822

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    the new style KS is on the right

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