If the Liberal party can not resolve its leadership the Coalition's electoral prospects are "grim", Parkes MP Mark Coulton says.
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The Nationals member on Sunday made no secret of what he believed was at stake as he recommended Prime Minister Tony Abbott keep the top job.
The Liberal party will consider a leadership spill motion on Monday, and Mr Coulton said his "feeling (was) there won't be any change".
"If the Liberals can't get over this, our electoral prospects are indeed grim," he said.
"My feeling is they need to re-endorse Tony Abbott."
The Parkes MP contested the "anxiety and (Tony Abbott's) unpopularity" had stemmed from the Prime Minister "tackling the debt".
Mr Coulton, who has represented the people of Dubbo since 2007, put the spotlight on the Parliament's upper house, including the government's relationship with it.
He said because of the way the Senate had been performing, issues had "dragged out the entire year".
"We need to find a way to work with the Senate," he said.
"I'm disgusted at the behaviour of some Senators, (who act) more for themselves than their communities.
"That's something we will have to work on in 2015 so people have confidence things are being done."
Mr Coulton said the government had been delivering on election promises - from repealing the carbon and mining taxes, which "had taken pressure off household budgets", to stopping "illegal boat arrivals, which had stopped people drowning at sea".
"We also said we'd deliver $50 billion in infrastructure and that's what's been rolled out at the moment, but because of the perceived drama, a lot of that message hasn't got out," he said.
In 2010 the Labor party replaced Prime Minister Kevin Rudd with deputy leader Julia Gillard.
The dumped leader made a comeback to the top job in 2013 before Labor suffered defeat at the polls in the same year.
With echos of the recent past, by Sunday cabinet member Malcolm Turnbull - who was succeeded as opposition leader by Mr Abbott in 2009 - had hinted he would stand on Monday.
Mr Coulton said with governments in Queensland and Victoria being dumped after one term in recent months, he was "terribly concerned" regular change was a sign of the times.
"The consequences of that are unthinkable," he said.
". . . Politics is not entertainment, it's not a blood sport, it's governing the country.
"If this is the way we are going to be with politics, chop and change and high drama then I fear for the future of our country."