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Need help identifying correct O2 sensor

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by msvx95, Feb 9, 2012.

  1. msvx95

    msvx95 Member

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    Chevy Silverado 1500 (2001) 4wD I have a bad O2 sensor on bank 1 (pre cat).....There is a bosch brand and I believe there is a Denso brand. I have no idea which one is on my truck. Can anyone clarify?

    Thanks
    #1
  2. msvx95

    msvx95 Member

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    nevermind...the Denso worked
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  3. Dana W

    Dana W Member

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    It doesn't matter which brand. Bosch is usually better in quality.
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