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  1. #1
    Member
    Join Date
    Jul 2006
    Location
    Camanche, Iowa
    Posts
    4,417

    Replacing trailer brake lines.

    I noticed the port side on my 2015 trailer was broke last year and was able to reflare and keep rolling. Just noticed my starboard side is broke now and to short to reflare it. I'd like to purchase some stainless steel lines and found some pre-made ones im various lengths, but I'm not sure what size fittings go to the caliper. Maybe they're all the same? Can anyone tell me what size threaded fitting goes into the caliper. https://www.summitracing.com/parts/sum-220204ss-20

  2. Member
    Join Date
    Mar 2018
    Location
    San Francisco Ca.
    Posts
    51
    #2
    You have the correct one. 20” 3/16 brake line is what worked on my 2011 trailer. Nut will be 3/8” wrench. 20” gives you a little slack to put a S shape at the end to allow for movement and brake replacements.
    2011 721
    2021 250 Mercury 4S, Fury 24