Kilcoo set up an Ulster club semi-final clash with Crossmaglen by hammering Kingscourt at Breffni Park.
The Down champions dominated after Conor Devlin palmed in the opening goal on 21 minutes and Kilcoo went in 1-7 to 0-4 ahead at half-time
Kilcoo powered clear of their Cavan hosts after the break with Jerome Johnston netting before Paul Greenan fired in a third goal.
An out-classed Kingscourt had Padraig Faulkner sent-off in the second half.
Conor Laverty chipped in with five points in a superb Kilcoo display.
The semi-final showdown against Cross promises to be a titanic tussle with the teams having met in feisty and often controversial encounters.
Cross beat Kilcoo in the 2012 Ulster decider while the Down men prevailed in a quarter-final replay a year later.
What they said
Kilcoo manager Paul McIver: "I'm delighted - the boys played really well, especially once we got a grip on the game.
"I've an unbelievable bunch of players, who always strive to be the best. They are born leaders.
"It should be a great game against Cross and we know it will be an enormous task.
"But the previous meetings are history and mean nothing. This is a new era, a new manager and with many new players."