In-form Ilkley Town won 3-2 at leaders Pilkington to move to within three points of the summit.
Despite having their goalkeeper Ed Wilczinski sent off in the 33rd minute, Eccleshill United edged to closer to Wembley after winning 5-4 on penalties in their FA Vase fourth round tie against AFC Liverpool.
Eddie Newsome propelled Penistone Church up to fourth after scoring the late winner at Hallam.
James Walshaw was back to help fire Ossett United to their 4-1 victory over basement side Tadcaster Albion.
Joe Jagger’s late penalty was the difference as Emley AFC propelled themselves into the semi-finals.
Unstoppable Campion are through to the semi-finals for the first ever time after knocking out higher league Brighouse Town in a shock 4-2 victory.
Bradford (Park Avenue) had to settle for a 1-1 draw from their trip to Kidderminster Harriers.
Ilkley Town are third after winning 2-0 over Garstang on a bitterly cold and foggy afternoon.
Callum Walton smashed in a last gasp volley to earn Maltby Main a 2-1 victory at his former club Handsworth.
Jack Shepherd provided the killer blow as Pontefract Collieries staged one of their most memorable comebacks in the 3-2 win at Stockton Town.