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Thread: 4D55T Alternator

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  1. #1




    Array
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    Join Date
    03-20-2011
    Posts
    4,857
    Location

    Pittsburgh, PA
    Vehicle

    1980 Dodge D-50
    Engine

    G54B
    BUt the diesel alternator has the vacuum pump built into the back of the alternator. To use a regular alternator, you need to install an electric vacuum pump to supply vacuum for the brake booster.
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

  2. #2

    Array
    Status
    Offline
    Join Date
    08-30-2023
    Posts
    6
    Location

    Minneapolis, MN
    Vehicle

    1988 Dodge Power Ram 50
    Engine

    4D55-T
    Quote Originally Posted by pennyman1 View Post
    BUt the diesel alternator has the vacuum pump built into the back of the alternator. To use a regular alternator, you need to install an electric vacuum pump to supply vacuum for the brake booster.
    This was the main sticking point on finding a replacement BTW.

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