Phoenix ? The Phoenix bench finally delivered as advertised, and it could hardly have come at a better time.

From left, Phoenix center Robin Lopez and forward Amare Stoudemire and Los Angeles forward Ron Artest battle for a loose ball. The Suns defeated the Lakers, 115-106, in Phoenix.

Channing Frye broke out of a horrendous shooting slump by making four three-pointers for 14 points, and the Suns pulled away in the fourth quarter for the second game in a row to beat the Los Angeles Lakers, 115-106, on Tuesday night and tie the Western Conference finals at two games apiece.

A series that looked like a Lakers’ breeze a week ago is all even heading to Game 5 on Thursday night in Los Angeles.

The Suns reserves, considered an advantage entering the series but largely ineffective through three games, outscored their Laker counterparts, 54-20. Leandro Barbosa scored 14 on 6-of-8 shooting, and Jared Dudley added 11 points. Goran Dragic ran the show at point and had eight points and eight assists in 18 minutes.

Amare Stoudemire led Phoenix with 21 points. Steve Nash, playing despite a broken nose, had 15 points and eight assists.

Kobe Bryant had 38 points and 10 assists as the reigning NBA champions fought back to lead briefly early in the fourth before the Suns backups stole the show.

Phoenix coach Alvin Gentry kept all five reserves in the game for almost the first nine minutes of the final quarter, and they produced an 18-3 run, and the Lakers never recovered. When Nash re-entered with 3:05 to play, those subs — usually playing against the Los Angeles starters — had turned an 87-85 deficit into a 103-94 lead.

“We believe in our bench,” Gentry said. “Tonight they played as well as they could play.”

Frye had made 1-of-21 shots in the series and missed 18 in a row when his second shot of the night, a three-pointer, finally fell to the roar of the home crowd.

Los Angeles did a much better job against the zone defense than in Game 3, but it wasn’t enough.