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  1. #1
    Member
    Join Date
    Mar 2013
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    salem, nh
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    4

    Lower unit 2006 needed for 40 hp Mercury 4 stroke SN#1B235183

    I have been scouring the internet for this lower unit replacement #821306T54 with no success as it is no longer manufactured. It is a 3 cylinder 40 hp that came with my 2006 Tracker boat. Any help greatly appreciated!

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
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    94,941
    #2
    Your engine is an "L" (Long, 20") Shaft engine.

    The correct gearcase for that engine IS still available. The Part Number is: 9760T44.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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  3. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    13,938
    #3
    ^^^^^^ sho is
    .................................................. ...the scariest thing in life is the unknown ...................................