Help me id this heater blower motor...

In your images, same as my 70 Duster, there is 4 studs that hold the firewall retaining on, the one in my photo's only show three studs for the ring...
any ideas?

JCFcuda said

67. Dodge dart non-air-conditiion

View attachment 1716134594

View attachment 1716134592

Click to expand...