The Mets’ search for potential offensive help brought them to DJ Stewart, who has quickly showed promise. 

Stewart, who started at designated hitter in place of Daniel Vogelbach on Tuesday night, rewarded the Mets with his first home run with the club in an 11-10 win over the White Sox at Citi Field. 

Manager Buck Showalter said the club’s internal projections against Chicago starter Lucas Giolito favored Stewart, a lefty hitter who had gone 1-for-5 with two walks in six games with the club. 

The projections were correct.

Stewart hammered a fourth-inning changeup from Giolito 435 feet — the longest of four Mets home runs on the night — for his first major league home run since Sept. 7, 2021, while he was with the Orioles. 

“I’d like to see him get some at-bats,” Showalter said before the game. “See if he can kind of carry over some of the really good things he was doing in Syracuse.” 

Stewart said he believes he found something with Triple-A Syracuse.

Early in the season, he missed time as he became a father to a now 4-month-old daughter, and then contracted COVID-19.

He returned in April, but his swing “was out of sorts,” Stewart said. 

He tweaked the swing and added a toe tap for timing. 

“We did it as a drill to kind of keep me back, and I liked it so much, I started incorporating it into my swing,” said Stewart, who played 70 total major league games in parts of five seasons with the Orioles. “Things started to click for me a little bit.” 

The 29-year-old had a solid May (.888 OPS) and a sizzling June (seven home runs and a 1.050 OPS in 19 games) at Triple-A before his early July promotion, when Danny Mendick was sent down. 

The Mets have had major issues at DH, at which Vogelbach has not fully come around, and in right field, where Starling Marte has not come close to his 2022 production. 

If Stewart — who debuted in 2018, with Showalter as his manager in Baltimore — can continue to hit, there would be a spot for him. 

“It means a lot,” Stewart said of this chance before going 1-for-4 with that dinger. “Anytime you’re in the big leagues, it’s an unbelievable opportunity to showcase and help this team any way I can.” 

Marte was scratched with a migraine about half an hour before first pitch.

Mark Canha replaced him in right field and went 1-for-3 with a hit-by-pitch.

Marte had missed the game Saturday with an illness. 

Righty Sam Coonrod (right lat strain), who pitched a scoreless inning in his first rehab game Sunday with Class-A St. Lucie, will next pitch Thursday. 

Showalter has talked up Coonrod, who was expected to make the club out of spring training before he suffered the injury.