It was the final regular-season Western Collegiate Hockey Association matchup between the teams. Both are headed to different conferences next season.
UND (14-8-6, 9-5-6) led 2-0 in the second period when Parks scored on a backhand and then on a wraparound for a 4-0 lead.
Mark MacMillan and Joe Gleason staked UND to a 2-0 lead with power-play goals in the first period. After being outshot 30-22 in Friday's 1-1 tie, North Dakota enjoyed a 29-22 edge in shots.
Zane Gothberg made 21 saves.