I have a 2004 Procraft 192 SP that I bought new in 04. The trailer that it is on is a Procraft Trailer which I understand was built by Trailstar. My master cylinder started leaking and I took it to a place here in town that builds different types of trailers and carries parts for trailers . Not being much of a mechanic myself the guy was going to either rebuild the master cylinder or replace it Problem is he cannot find a mfg name on the master cylinder nor can he find anyone of his vendors that has or knows where to get parts for this trailer. Can anyone on here give me any help in finding parts or a mfg name for the master cylinder that was used on these trailers?