Derick Brassard, Mats Zuccarello and Dominic Moore also scored for the Rangers, who opened their three-game California road trip with a dominant effort against the overall NHL leaders.
Francois Beauchemin scored midway through the third period for the Ducks, who have just one regulation victory in eight games.
Ilya Bryzgalov stopped 26 shots in his first home start in more than seven years for the Ducks, who re-signed their former backup goalie last month after a seven-year absence.
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