Senator Jim Molan has slammed the preselection process which saw him relegated to an unwinnable spot on the NSW Senate ticket and warned he is "not to be taken for granted" if Prime Minister Scott Morrison doesn't intervene to save his political career.

Speaking on Perth radio on Sunday, Senator Molan said he had been courted by other parties, but would stick with the Liberal Party for now.

NSW Liberal senator Jim Molan was relegated to an unwinnable spot on the party's ticket. Credit:Alex Ellinghausen

"The Liberal Party is too important to this country for me to walk out of this party, but every option is open to me," he told Jane Marwick on 6PR.

"The support in terms of organisations, money, anger has been beyond belief.