JJ Redick was 5-of-7 from three en route to 25 points as the 76ers held off the Pistons 115-108 in Detroit.
Marco Belinelli added 19 points for Philadelphia, which took a 17-point lead into the fourth quarter.
The Sixers have won 12 in-a-row and are tied with the Cavaliers for the third seed in the East at 48-and-30 with four games left.
Anthony Tolliver tallied 25 points to lead the Detroit attack.
Stanley Johnson added 19 points for the Pistons, who were eliminated from playoff contention.
Detroit had won five straight and is now 37-and-41.