Lower half diagram
Part #20551
Replaced by #492574MA
Part #20692
The manufacturer no longer makes this part, and there's no substitute part
Blade housing top half diagram
Part #STD551037
The manufacturer no longer makes this part, and there's no substitute part
Blade housing top half diagram
Part #23238
Replaced by #423238MA
Lower half diagram
Part #28X23
Replaced by #703948
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Blade housing top half diagram
Part #STD551031
The manufacturer no longer makes this part, and there's no substitute part
Lower half diagram
Part #21189
Replaced by #166X4MA
Part #STD541425
The manufacturer no longer makes this part, and there's no substitute part
Lower half diagram
Part #23209
Replaced by #24458E701MA