The meeting, held in Los Angeles, ended with a score of 100: 92 in favor of the guests.
The Sun's highest scoring player was Chris Paul with 18 points.
Jay Crowder and Devin Booker scored 17 points each.
A double-double of 14 points and 17 rebounds in the asset of Deandre Ayton.
LeBron James scored a double-double of 25 points and 12 rebounds for the Lekers.
Anthony Davis was unable to finish the meeting due to injury.
Thus, the score in the series became 2: 2.
The fifth game will take place in Phoenix on June 2.
Earlier it was reported that Atlanta beat New York and increased the lead in the NBA playoffs.