The least talented Ryan in the game scored the winning goal.
After the Rangers had battled back from a 3-0 hole, Ryan Carter converted a pass from Stephen Gionta to send the Devils home with a 3-2 series lead.
New Jersey can advance to the Stanley Cup final with a win in Newark Friday night.
Ilya Kovalchuk, who had a difficult evening, was first on the puck against Michael Del Zotto to start the sequence that led to the winning goal. Gionta, who is no bigger than his older brother, took a hit to make a tape-to-tape pass to Carter, at Henrik Lundqvist’s open right side.
Zach Parise scored an empty netter to complete the Devils’ scoring.
The visitors took a first-period lead on goals by Gionta, Patrik Elias and Travis Zajac.
The Rangers clawed back on goals by Brandon Prust, Ryan Callahan and Marion Gaborik, credited with a goal a shaky Martin Brodeur ticked into his own net..
The home team had a 28-17 shot advantage and appeared to have all the momentum until Carter’s goal.