Cooling section diagram
Part #521768
Replaced by #WG840465
Part #521769
Replaced by #WG840465
Heating section and blower diagram
Part #520938
Replaced by #45461
Part #520939
Replaced by #45461
Part #613709
Cooling section diagram
Part #521843
Replaced by #90-170
Part #522531
The manufacturer no longer makes this part, and there's no substitute part
Cooling section diagram
Part #605264
Part #522530
Cooling section diagram
Part #521125