1994 Saturn Sport Coupe rad

Bad luck that's where they crack put a used one in my sisters car lasted 3 weeks.put a new one in now it's been good 6 months.I found a factory Delphi radiator brand new on eBay for my brothers Saturn for 103 delivered just got it they had 8 when I order it just put in the search Saturn radiator on eBay it will say factory radiator read to make sure it's a Delphi.I think that's ur best bet at the rate ur going with used ones u could have bought a new one.let me know how it goes.