Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Blade housing top half diagram
Part #23739
Replaced by #23739MA
Lower half diagram
Part #20551
Replaced by #492574MA
Lower half diagram
Part #28X23
Replaced by #703948
Blade housing top half diagram
Part #23748
Replaced by #37X40MA
Blade housing top half diagram
Part #23238
Replaced by #423238MA
Lower half diagram
Part #23209
Replaced by #24458E701MA
Lower half diagram
Part #21189
Replaced by #166X4MA
#NI
All parts diagram
Part #403134
The manufacturer no longer makes this part, and there's no substitute part
Blade housing top half diagram
Part #20661Z
The manufacturer no longer makes this part, and there's no substitute part