The car will start and run fine turn.it off and try to start it back up 15 minutes later and.its dead or just cranks

What testing has been done to lead to replacing the fuel pump, battery and alternator? There's a major difference between an engine that will not crank, and one that cranks freely without starting. Your "repairs" appear to try and attack both symptoms. Which is occurring? Starting system issues need starting system diagnostic testing. Engine performance issues related to fuel delivery, ignition spark, air intake, emission controls and exhaust flow require performance testing. www.repairpal.com/repair-shops