Part #STD541431
The manufacturer no longer makes this part, and there's no substitute part
Part #STD533107
Replaced by #STD533107
Blade housing lower half diagram
Part #20551
Replaced by #492574MA
Blade housing lower half diagram
Part #STD541437
The manufacturer no longer makes this part, and there's no substitute part
Part #20692
The manufacturer no longer makes this part, and there's no substitute part
Blade housing top half diagram
Part #37X22
Replaced by #37X22MA
Blade housing top half diagram
Part #23739
Replaced by #23739MA
Blade housing top half diagram
Part #STD551031
The manufacturer no longer makes this part, and there's no substitute part
Blade housing lower half diagram
Part #21189
Replaced by #166X4MA
Part #STD541425
The manufacturer no longer makes this part, and there's no substitute part