Carburetor 640172 diagram
Part #631028
Replaced by #631028A
Carburetor 640172 diagram
Part #36045A
Carburetor 640172 diagram
Part #27110A
Carburetor 640172 diagram
Part #631867
Carburetor 640172 diagram
Part #631767
Carburetor 640172 diagram
Part #631183
Carburetor 640172 diagram
Part #631027
Carburetor 640172 diagram
Part #631022
Carburetor 640172 diagram
Part #640053
The manufacturer no longer makes this part, and there's no substitute part
Carburetor 640172 diagram
Part #631024