1. Is it fix the Nin switch console cooling fan right up?
Yes. This was a perfect swap for your switch console cooling fan.
2. Will this fit for switch model HAC-001?
Yes.
This replacement fan fit Nin Switch HAC-001 and HAC-001(-01).
It is not compatible with NSL (Nintendo Switch Lite).
3. Is the switch fan an OEM fan?
Yes. Its a plug and play.