When I installed my new carpet back in November I thought it would be a good idea to replace the heater core. Just to make sure it doesn't dump antifreeze all over my new interior anytime soon. So I took that cover off to access the heater core.... got the old one out no prob but the new one would not go in. I ended up getting pissed off and tried to force it in. Bad mistake. Ended up breaking that plastic flap that is hooked to the cable, guess it's what switches between the A/C side and heat side. Has the tray thing in it for the core to set in as far as I remember.

So I was looking at GMpartsdirect.com and believe I found the part I need, emailed them and they have the parts in stock. But... I'm not sure if this is that little flap thing or not.

Looking at parts 9, 11 and 12 on this diagram. I'm assuming 12 is that flap thats hooked to the HVAC?