57 De Soto Master Cylinder Adapter Fitting

macedon Posted 2017-12-14 5:36 PM (#554348) Subject: 57 De Soto Master Cylinder Adapter Fitting Elite Veteran Posts: 963 Location: San Antonio, TX Anyone know the Edelmann part number for the master cylinder adapter fitting. Or the correct size? I thought it was 7/16-24 -- 9/16-18 but I'm having some trouble... Richbo Posted 2017-12-21 11:34 AM (#554789 - in reply to #554348) Subject: Re: 57 De Soto Master Cylinder Adapter Fitting Veteran Posts: 242 Location: 33844 I guess we all have this problem --- I fail to see why the MC simply does not accept the standard brake-line fittings !!!! 57chizler Posted 2017-12-21 12:57 PM (#554800 - in reply to #554348) Subject: RE: 57 De Soto Master Cylinder Adapter Fitting Expert Posts: 3778 Location: NorCal The MC is threaded 1/4"-18 NPT. (tapered pipe thread) Powerflite Posted 2017-12-21 6:31 PM (#554820 - in reply to #554348) Subject: Re: 57 De Soto Master Cylinder Adapter Fitting Expert 5K+ Posts: 9673 Location: So. Cal Yes, 1/4 NPT Male pipe to 1/4 Female inverted flare tube, which I believe uses the 7/16-24 thread. 57chizler Posted 2017-12-24 2:22 PM (#554976 - in reply to #554800) Subject: RE: 57 De Soto Master Cylinder Adapter Fitting Expert Posts: 3778 Location: NorCal https://www.oreillyauto.com/detail/edelmann-3479/hardware---fastener...