Akstraw Posted August 9, 2022 Share Posted August 9, 2022 I am looking for a fill plug for the master cylinder on a 1948 New Yorker. It is a male plug, the thread diameter is just under 1.25 in. and has 18 threads per inch. I can find a number of sources for a whole new master cylinder assembly, but none for just the plug. Does anybody know of a source, or have a spare laying around? Thanks! 1 Link to comment Share on other sites More sharing options...
Joe Cocuzza Posted August 9, 2022 Share Posted August 9, 2022 There are plastic replacement ones on Ebay - if that is a direction you want to go in. BTW, what is wrong with yours that you cannot use it? Link to comment Share on other sites More sharing options...
Jeff Perkins / Mn Posted August 9, 2022 Share Posted August 9, 2022 I checked my master brake cylinder when I obtained my ‘48 NY’er, lo and behold I have a plastic cover on mine. I have no problem with that! Link to comment Share on other sites More sharing options...
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