go to this site and put in the info they ask for then look up the part number.
site at:https://www.gmpartscenter.net/?gclid=EAIaIQobChMItfriiJry4wIVqSCtBh1x7An9EAAYAiAAEgL92fD_BwE
site at:https://www.gmpartscenter.net/?gclid=EAIaIQobChMItfriiJry4wIVqSCtBh1x7An9EAAYAiAAEgL92fD_BwE