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  1. #1
    Petty Officer 2nd Class
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    Default 1979 Mercruiser 260 serial?

    Where would the serial be located on my block? I need to order some parts and the only thing i can find for my year is "255, 260 mcm & mie (350gm) 1975-82 serial# 3258728-6218461"

    Is that the correct serial for my 79 mercruiser 350 small block 260hp?

  2. #2
    Master Chief Petty Officer Blk-n-Blu's Avatar
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    Default Re: 1979 Mercruiser 260 serial?

    Look up part #s here. Buy from IBoats. the 62---# is your ser#
    http://www.mercruiserparts.com/

  3. #3
    Petty Officer 2nd Class
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    Default Re: 1979 Mercruiser 260 serial?

    still confused.

  4. #4
    Petty Officer 2nd Class
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    Default Re: 1979 Mercruiser 260 serial?

    anybody have a web site where you can convert stock part numbers into sierra or mallory? Thanks

  5. #5
    Master Chief Petty Officer Blk-n-Blu's Avatar
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    Default Re: 1979 Mercruiser 260 serial?

    Try here:
    https://www.mercruiserparts.com/ click on search with pictures
    Or go into a NAPA that has the marine Parts Catalog.

  6. #6
    Petty Officer 2nd Class
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    Default Re: 1979 Mercruiser 260 serial?

    I found two serial numbers, which one is the correct one?

    5384734

    5081980

    Trying to use the http://www.mercruiserparts.com/ parts but it has two 260hp engines.

    My is the 79 mercruiser 350 260hp. It only has the 1987 version and 1981-1986

  7. #7
    Master Chief Petty Officer Blk-n-Blu's Avatar
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    Default Re: 1979 Mercruiser 260 serial?

    The 6218461 is the engine ser #

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