Gonzaga (16-3, 6-1 West Coast Conference) stifled a second half comeback attempt from LMU (10-10, 2-6) with a 13-2 run midway through the half to pull away.
LMU erased a 42-33 halftime deficit and took a brief lead at 52-50 on Evan Payne's bucket with 14:11 left. But Gonzaga regained the lead and stretched its advantage to as many as 13 with 6:29 left. The Lions were unable to cut the deficit to fewer than seven points in the game's last 5 minutes.
Dower's performance sent him over the 1,000 career points mark at Gonzaga. Drew Barham added 16 points and Gerard Coleman had 11. Kyle Dranginis also chipped in 9 points.
Payne scored 19 to lead LMU. C.J. Blackwell and Anthony Ireland had 13 points apiece and Ireland added nine assists.