He led for 74 laps of the race’s 100 laps and the only moment of tension came when pitting with 24 laps to go, dropping him back to 26th at that point.
However, on new tyres and a refreshed tank of gas, the Trackhouse Racing Chevrolet driver scythed through the field, making up 30 seconds on the leader in the space of just 18 laps.
Van Gisbergen hit the front six laps from the end and took the chequered flag seven seconds before American runner-up Michael McDowell in another Chevrolet.
Victory lifts the man nicknamed “SVG” to 16th after 12 of 36 rounds, with only two more road or street races to come, both next month in California.
It was also the first win in the No 97 car, after driving No 88 for his first two seasons – a number made famous by former American great Dale Earnhardt jnr.
Van Gisbergen has long favoured 97 – a number used by his father Robert, a former rally driver.