[Stophos]

Yes the master cylinder. Sorry.

Originally Posted by et cetera

Are you referring to the booster or the master cylinder? The only thing that is bolted under the dash is the master cylinder.

I replaced the master cylinder with a brand new one from our host. https://www.pelicanparts.com/More_Info/91135501112.htm?pn=911-355-011-12-M4

The booster was rebuilt as I couldn't find a source for a new replacement.