Wibsey held on to their nine-point advantage over Golcar United at the top of the Mumtaz Premier Division after coming from behind to beat Ovenden West Riding 3-2.
Damian Melvyn put the championship contenders into an early lead, only for the Huddersfield side to go 2-1 up with goals from Jason Todd and Phil Licence.
With their unbeaten home record slipping away from them, Wibsey responded with an equaliser from Cory Larvin and with time running out, John Penn grabbed an unlikely winner.
Title rivals Golcar United scored twice in the first half at home to Otley Town through Andy Biggs and Paul Gilbertson, and held on to win
2-1 despite a late consolation penalty scored by Michael Long.
Goals from Graham Sykes and Gareth Carney gave Tyersal a 2-0 victory at Heckmondwike Town, while Campion won 1-0 at Bay Athletic thanks to a bizarre own goal from Owen Thomas. The defender attempted to head the ball back to his keeper only to find the net.
Steeton's chances of avoiding relegation are becoming bleaker, despite a spirited performance in their 2-1 home defeat by Hemsworth Miners Welfare.
The race for promotion from Division One is now between three sides.
Wakefield-based Eastmoor need only five points from their last five games to reach the top flight for the first time after a 1-0 home win over Morley Town.
Farnley, who occupy second place, are still 11 points adrift of the leaders after beating Altofts 3-1, while Halifax Irish, who beat Dudley Hill Rangers 4-1, are in third place, six points behind Farnley but having played four games fewer.
Salts added to the relegation fears of visitors Hunsworth with a 3-1 victory. Two goals from Nick Hird and an own goal contributed to the Birkenshaw club's downfall.
Westwood, who held leaders Eastmoor to a draw last week, were beaten 1-0 by Wakefield City, James Singleton scoring a late winner for the visitors.
Kirkburton can almost taste promotion from Division Two after a 7-2 trouncing of Dudley Hill Athletic, Ryan Robinson scoring four.
South Bradford strengthened their bid for a Division One place next season with a 5-0 success at Dynamoes.
Westbrook YMCA, who can overtake the top two if they win their games in hand, thrashed bottom club Bowling 7-0 with Phil Morton helping himself to a hat-trick.
Tomorrow night sees the first of the season's League Cup semi-finals, when Hemsworth Miners Welfare and Ovenden West Riding meet at Altofts (7.15).
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