Carburetor 640278 diagram
Part #640259
Carburetor 640278 diagram
Part #27110A
Carburetor 640278 diagram
Part #632547
Carburetor 640278 diagram
Part #631024
Carburetor 640278 diagram
Part #631807
Part #640278
Replaced by #640278A
Carburetor 640278 diagram
Part #630766
Carburetor 640278 diagram
Part #631615
Carburetor 640278 diagram
Part #640053
The manufacturer no longer makes this part, and there's no substitute part
Carburetor 640278 diagram
Part #651025