Wiring diagram diagram
Part #21261
Replaced by #532146154
Drive assembly diagram
Part #15X79
Replaced by #703409
Part #STD533107
The manufacturer no longer makes this part, and there's no substitute part
Mower housing diagram
Part #20613
Replaced by #420613MA
Drive assembly diagram
Part #21544
Replaced by #1727261SM
Drive assembly diagram
Part #21521
Replaced by #17X160MA
Drive assembly diagram
Part #10851Z
Replaced by #10851ZMA
Mower housing diagram
Part #20551
Replaced by #492574MA
Drive assembly diagram
Part #20103
Replaced by #817000616
Drive assembly diagram
Part #4X24
Replaced by #4X24MA