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  1. #1

    Question Oil drain plug thread size?

    Want to replace the engine oil drain plug on a 2003, 6L, Chevy Suburban 2500, to one of those quick release plugs. Does anyone know what the thread size is for that year and make of Suburban?
    Last edited by GlitchMobile; 01-13-2010 at 07:31 AM. Reason: Omitted mentioning engine size

  2. #2

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    12mm-1.75 I believe.
    2008 GMC Sierra 2500HD Ex. Cab, Fire Red, 6.6L Duramax LMM Equipped with UTG Rocker Pods


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  3. #3

    Default

    they should have a chart i used on one of my cars i like it but it would drain slower .that was all though other wise no problem i used a fram sure drain

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