When I was gathering parts for the rebuild of my 1964 Galaxie's power steering hydraulics (hoses, seals, valve seats, etc.), it helped to look at the Master Parts Catalog and figure out what the original part numbers were for the bits I needed. Then google them in quotation marks, with and without spaces. Sometimes it helped to just search for the middle part of the part number without the prefix or suffix. You might get some hits on NOS parts or maybe some web pages for reproductions that mention the original number.
Pat
