Carburetor 640174 diagram
Part #631028
Replaced by #631028A
Carburetor 640174 diagram
Part #631021
Replaced by #631021B
Part #590535
Craftsman 4-cycle engine diagram
Part #34443B
Replaced by #34443D
Craftsman 4-cycle engine diagram
Part #29774
Craftsman 4-cycle engine diagram
Part #36246
Replaced by #37844
Craftsman 4-cycle engine diagram
Part #34338
Part #640174
The manufacturer no longer makes this part, and there's no substitute part
Craftsman 4-cycle engine diagram
Part #35647
Replaced by #35647A
Carburetor 640174 diagram
Part #632019
Replaced by #632019A