Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Wiring diagram diagram
Part #24273
Replaced by #5021451SM
Drive parts diagram
Part #21544
Replaced by #1727261SM
Drive parts diagram
Part #37X45
Replaced by #37X45MA
Part #17X102Z
Replaced by #703128
Body parts diagram
Part #90032
Replaced by #93093E700MA
Drive parts diagram
Part #21521
Replaced by #17X160MA
Blade housing lower half diagram
Part #166X4
Replaced by #166X4MA
Engine mount diagram
Part #10851Z
Replaced by #10851ZMA
Steering parts diagram
Part #407047
Replaced by #407047MA