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Howard Stern has become politically correct, and the woman getting the credit — or the blame — for taming the shock jock isn’t his wife, Beth Ostrosky.

As the old Wack Pack has disappeared and loyal staffers have been booted, the woman being called “the Yoko Ono of the Stern show” is the chief operating officer of the Stern channels on SiriusXM radio — Marci Turk.

“She’s in her 30s and she’s a hot redhead,” said one longtime insider. “Out of nowhere she was given the title of COO [Tim Sabean was whacked], and has had a very strong hand on how the show is handled and how everyone has to ‘keep Howard’s brand right.’”

Stern, a judge on the family-friendly “America’s Got Talent” TV show for the past three years, renamed “Gary the Retard” Gary the Conqueror. Now a big supporter of gay rights, Stern no longer affects a lisp for segments in “the Homo Room.”

Turk, who never goes on-air as Stern’s previous bosses did, has allegedly banned formerly frequent guests Lisa Lampanelli, Gilbert Gottfried and Craig Gass.

Both Turk and Stern are said to be devotees of David Allen’s book “Getting Things Done: The Art of Stress-Free Productivity.”

“It’s almost a Scientology-type thing,” said my source. “And they are looking at Stern as their Tom Cruise.”

Insiders say Turk has persuaded Howard to take the show to iTunes, Pandora or Spotify when his five-year contract with Sirius expires in December.

“If they can get 1 million subscribers, all paying $12 a month, they’re looking at $144 million a year,” my insider said, “with Howard pocketing $85 to $100 million after overhead.”