• Milwaukee-Eight Gloss BlackTransmission Side Cover

    Part Number 25800055


    Finish / Color: Gloss Black




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    This engine cover is the perfect start in converting your powertrain to an elegant “tuxedo black” look.

    • Gloss black
    • Manufactured from Original Equipment components to ensure a perfect fit
    • Coated with temperature-resistant paint to ensure a long-lasting finish
    • Critical surfaces are masked to provide good gasket seal
    • Complete the look with a matching Primary Cover, Cam Cover, and Rocker™ Box Covers (sold seperately)
    • Insert sold separately


    • Warranty

      1 year limited warranty – Go to for full details
    • Sold in Unit

    • In The Box

      Transmission side cover only
    • Sold Separately



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        Removing and installing engine covers may require purchase of new gaskets. See dealer for information.


        Transmission Side Cover is rated 1.5 out of 5 by 2.
        Rated 2 out of 5 by from Something's missing! I bought this as part of the black out engine kit. This part came with the brushed silver sticker instead of the black one. Had to order the black sticker to get the look I wanted.
        Date published: 2016-11-24
        Rated 1 out of 5 by from Miss conception!!!! I ordered this cover for my 2017 CVO Streetglide because it shows SIX SPEED on the cover . No where does it say the SIX SPEED is an insert sold separately and my 2017 CVO already has a gloss black transmission side cover. Don't get me wrong the cover is nice but showing a cover with SIX SPEED on it makes people think that's what they bought!!!! I had my Harley dealer install the 117c.i. Kit and Harley has no badging for that either.
        Date published: 2016-10-05
        • y_2018, m_2, d_26, h_20
        • bvseo_bulk, prod_bvrr, vn_bulk_2.0.7
        • cp_1, bvpage1
        • co_hasreviews, tv_0, tr_2
        • loc_en_US, sid_PA-04-25800055, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
        • clientName_harleydavidson

        Q & A

        What is the part number for the black six speed insert?

        Asked by: Dynadude08
        I was told by Surdyke 25800049.
        Answered by: Rayden1
        Date published: 2017-08-19
        • y_2018, m_2, d_26, h_20CST
        • bvseo_bulk, prod_bvqa, vn_bulk_2.0.7
        • cp_1, bvpage1
        • co_hasquestionsanswers, tq_1
        • loc_en_US, sid_PA-04-25800055, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
        • clientName_harleydavidson

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