Cooling section diagram
Part #521515
Replaced by #90-244
Cooling section diagram
Part #1056176
Replaced by #90-244
Part #521769
Replaced by #WG840465
Cooling section diagram
Part #521768
Replaced by #WG840465
Heating section and blower diagram
Part #520938
Replaced by #45461
Part #520939
Replaced by #45461
#NI
All parts diagram
Part #C-163-S
Replaced by #450288-001
Part #705329
The manufacturer no longer makes this part, and there's no substitute part
Cooling section diagram
Part #521843
Replaced by #90-170
Part #521425