In New York, Buck Williams scored a career-high 30 points, making 14 of 15 shots, and had 12 rebounds to lead New Jersey in the overtime victory.
Bernard King led the Knicks with 32 points.
The game was tied at 101 at the end of regulation. Darwin Cook tied the game for New Jersey with a one-hander in the lane with nine seconds remaining.
The Knicks were hurt by poor foul shooting in overtime. With New Jersey ahead, 109-107, New York's Ernie Grunfeld made one of two foul shots with 1:09 left, and Marvin Webster missed two foul shots with 43 seconds left.
After Albert King put New Jersey up, 111-108, with 37 seconds left, his brother made one of two free throwfoul shots. Bernard King also missed a free throwfoul shot with 17 seconds left.
The Nets' Foots Walker made it 112-110 with a free throwfoul shot with one second left.
The Knicks had an early 12-point lead in the first quarter, which ended tied at 21 as the Nets scored 14 of the last 16 points. New Jersey led, 29-22, in the second period, but Bernard King scored nine straight points to tie the game.
The Nets led, 50-44, at the half and 78-72 after three periods.