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  1. #1

    30DN Alternator Replacment

    Been told my 30dn alt is non repairable and replacements are not available.Been advised that retrofitting a 31si is a common practice but a bracket modification / replacement is necessary. Has anyone been thru this retrofit that can give some direction on how they modified the bracket.
    Thanks in Advance
    Ocean Spirit
    1971 53 MY Hull #341

  2. #2

    Re: 30DN Alternator Replacment

    NAPA shows this as an active number for that application?


    https://www.napaonline.com/en/p/WIL90013084
    https://www.napaonline.com/en/p/WIL90013087

    This is the link to a Delco application note to up grade to a 30SI alternator.

    http://www.delcoremy.com/Documents/A...D-C-GENERATORS
    Tim
    1979 53' MY Hull #566
    KNOW PRESSURE
    Hampton, Virginia

  3. #3

    Re: 30DN Alternator Replacment

    Quote Originally Posted by KPTIM View Post
    NAPA shows this as an active number for that application?


    https://www.napaonline.com/en/p/WIL90013084
    https://www.napaonline.com/en/p/WIL90013087

    This is the link to a Delco application note to up grade to a 30SI alternator.

    http://www.delcoremy.com/Documents/A...D-C-GENERATORS
    Tim, I sent you a PM.
    John
    John Novotny
    1979 53 MY "Serenity" #567
    Baltimore, MD

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