There is no one to replace McCarthy.
Joan E. Greve 6/2, staff at the Guardian, “Kevin McCarthy’s victory lap over the debt ceiling bill could end early,” The Guardian, 6/2/23, https://www.theguardian.com/us-news/2023/jun/02/kevin-mccarthy-debt-ceiling-bill-freedom-caucus
“After this vote, we will have discussions about whether there should be a motion to vacate or not,” Buck told CNN.
But even Buck acknowledged that he and his allies may not have the votes to remove McCarthy, and the speaker has said he is “not at all” concerned about losing his gavel. Representative Marjorie Taylor Greene of Georgia, who was one of eight Freedom Caucus members to support the debt ceiling bill, dismissed suggestions of ousting McCarthy as “absolutely absurd”.
“I think they would find out that it’s not as popular as they think, just because it looks good on Twitter right now,” Greene told reporters on Wednesday night. “It would be a really dumb move.”
Even if McCarthy’s critics could somehow muster the votes to oust him, it remains entirely unclear who could earn enough support in the House Republican conference to replace him. So McCarthy’s speakership appears to be safe – for now.