Los Angeles hit 55 percent of its shots while snapping a three-game losing streak.
The Clippers became the sixth team in the NBA and the fifth from the Western Conference to reach 50 wins this season.
Los Angeles held a seven-point halftime lead, then outscored the Suns by 18 in the third period.
Phoenix was led by Wesley Johnson with 20 points. The Suns, with the worst record in the West, lost their seventh in a row.
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