Shenandoah (14-6, 5-3 ODAC) erased a four-run deficit with a seven-run fourth versus the Quakers (10-12-1, 1-7).
Coach Kevin Anderson's club pulled away with three more in the fifth, two in the seventh and one in the eighth.
The three runs in the fifth all came home on a two-out, bases loaded error.
Jonathan Dance, the second of four SU pitchers, earned the win in relief.
Dance (2-0) pitched the fourth, fifth and sixth innings and gave up just two hits and one walk during that time.
Mitchell Stumpo (1-4) took the loss. He allowed seven runs on four hits and seven walks in 3 2/3 innings of work.