Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Replacement parts motion drive diagram
Part #21544
Replaced by #1727261SM
Replacement parts wiring diagram diagram
Part #24273
Replaced by #5021451SM
Part #17X102Z
Replaced by #703128
Replacement parts motion drive diagram
Part #37X45
Replaced by #37X45MA
Replacement parts blade housing diagram
Part #24533Z
Replaced by #91925MA
Replacement parts steering system diagram
Part #407047
Replaced by #407047MA
Replacement parts chassis & hood diagram
Part #18X16
Replaced by #18X16MA
Replacement parts blade housing suspension diagram
Part #165X32
Replaced by #165X32SEMA
Replacement parts blade housing suspension diagram
Part #55449
Replaced by #1753233YP