كتب : Amro Hassan
The Egyptian striker converted a penalty kick on 52 minutes to earn his side the valuable three points.
Ittihad are now first in the Saudi League table with 35 points, one ahead of second-placed Nasr.
The goal is Meteb's tenth of the season, as the 25-year-old is now his team's joint top scorer.
Meteb is currently playing at Ittihad on loan from Ahli until the end of the current season.