Whirlpool Dryer Timer Not Working, Knob is Fine

Brand:Whirlpool
Model Number:WED5000DW2
Main Symptom:Broken Timer
What happens & when:

Knob works fine but the timer no longer works. If I set it for 60 minutes, it will keep drying forever and never stop. Which part do I need to replace?

Error Code (if any):
Parts or tests already tried:
Photos / video link:

Hi, it seems like the timer is out of timing and will need to be replaced. That should get the unit back to operating correctly.https://www.appliancepartspros.com/whirlpool-timer-wpw10185992-ap6016542.html