fresh water only we do not have salt up here to that end, be aware of and okay with location before clicking further.seen hereclean, straight metal for ageran when parkedmodel and serial shown for your own fitment research if curiousknow and love old OMC crap or pass it byyou either need one of these or you dont that simplebring your tools and check anything you likeif it suits you pay and pull it if not--no hard feelingspick up onlyHenderson, Texasno trades500 cash firm no exceptionssend a phone number if seriousboat was a 1979 model