This is a Delphi power steering gear with pitman arm, per search of part number for 1999-2004 Jeep Grand Cherokee, also seems to be a popular conversion for 1955-56 Ford cars and 1949-51 Mercs, research your own application before buying.
Looks externally complete, shafts turns with no slop but untested past that; pitman arm straight and solid, splines look good.