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  1. #1
    Member
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    Jan 2018
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    Hazelwood , MO
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    2003 150 Optimax Oil pump o'ring size.

    Anybody have a oring size or part number for a 2003 150 mercury optimax for the oil pump on the aft housing by electrical plug, has 3 allen head screws? Any help would be appreciated.

    Thanks,
    Kody

  2. Member
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    Jan 2018
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    Hazelwood , MO
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    #2
    Bump

  3. Member
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    Jun 2013
    Location
    LONGVIEW TEXAS
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    13,941
    #3
    might check in 3.0L section some there have repaired them, I do not
    .................................................. ...the scariest thing in life is the unknown ...................................

  4. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    Greenville, SC (US)
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    94,945
    #4
    Mercury does not offer the o-ring as a replacement part. Complete oil pump assembly.


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