HVAC control Knobs
 

Hey all, I need help finding out where to get replacement knobs for my wifes 1993 accord. The middle knob cracked inside where it connects to the control stem. I guess the age and using it to much because of it being the hot/cold/thremo knob. Or are these just one of those "Help" replacement type pieces from Auto zone or Advance Auto?? I might as well replace all 3 of them while I'm at it.

Thanks in advance for any help I can get

You can buy them at the dealership. I remember mine was <$10.