Hector Bellerin's own goal saw the Foxes take the lead before Mesut Ozil levelled up with a cool finish before the break.
In the second half, Ozil turned it on, the driving force that saw substitute Pierre-Emerick Aubameyang score two goals to secure the three points.
But how did the rest of the Arsenal stars fare? SunSport checks them all out.
BERND LENO
Crucial early saves from Iheanacho and Maguire to keep Arsenal in the game before but was left wrong-footed by Bellerin’s deflection.
HECTOR BELLERIN
Went to sleep to allow Maguire a free header before deflecting Chilwell’s cross into his own goal. Lovely crosses for Arsenal’s first two goals.
SHKODRAN MUSTAFI
Tried to marshal his defence but Arsenal’s high line was always going to expose his lack of pace against Vardy and Iheanacho.
ROB HOLDING
Escaped with blatant handball in his own area just seconds after being booked. Regularly found himself on the wrong side of his man.
STEPHAN LICHTSTEINER
Playing out of position at left-back and struggled to cope with Leicester’s speed, but at least he kept going when Arsenal were in danger of being overrun.
GRANIT XHAKA
Dipping free-kick required a fine save from Schmeichel but he continues to concede too many free-kicks in dangerous areas. Booked
LUCAS TORREIRA
The new darling of the Emirates continues to delight the fans with his eye for a pass and terrier-like ability to intercept and retrieve possession.
HENRIKH MKHITARYAN
Preferred to Ramsey on the right but struggled to make an impact and was unable to get much joy out of the impressive Chilwell.
MESUT OZIL
Captaining the team for the first time, he lit up with the Emirates with a magnificent equaliser and two sublime passes for Aubameyang’s goals.
ALEX IWOBI
Continues to impress out wide with his pace and trickery but was sometimes guilty of running into blind alleys instead of playing the simple pass.
ALEXANDRE LACAZETTE
Playing with much more confidence as a consequence of being Emery’s first choice striker but needs to spend more time in the box.
SUBS
Pierre-Emerick Aubameyang (for Mkhitaryan 60mins). Scored two within seven minutes of his introduction.
Matteo Guendouzi (for Lichtsteiner 60mins). Involved at the start of the build-up for both Aubameyang’s goals.
Aaron Ramsey (for Ozil 80mins). Not enough time to make an impression after being left out of the starting team.
Subs not used
Martinez, Medley, Smith Rowe, Ramsey, Welbeck.
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