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Model # TYPE 643-21A Official Tecumseh engine
Here are the diagrams and repair parts for Official Tecumseh TYPE 643-21A engine, as well as links to manuals and error code tables, if available.
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TYPE 643-21A Engine
#25
Carburetor diagram
O-ring
Part #631028
The manufacturer no longer makes this part, and there's no substitute part
#14
Carburetor diagram
/carb float
Part #631023
The manufacturer no longer makes this part, and there's no substitute part
#43
Basic engine diagram
Cover
Part #610118
The manufacturer no longer makes this part, and there's no substitute part
#59
Basic engine diagram
Spring
Part #630766
The manufacturer no longer makes this part, and there's no substitute part
#26
Basic engine diagram
Seal
Part #510105
The manufacturer no longer makes this part, and there's no substitute part
#5
Rewind starter diagram
Dog sprng rh
Part #590412
The manufacturer no longer makes this part, and there's no substitute part
#8
Basic engine diagram
Ring
Part #310167
The manufacturer no longer makes this part, and there's no substitute part
#13
Carburetor diagram
Clip
Part #631022
The manufacturer no longer makes this part, and there's no substitute part
#21
Carburetor diagram
Bowl gasket
Part #631334
The manufacturer no longer makes this part, and there's no substitute part
#27
Basic engine diagram
Retainer
Part #510106
The manufacturer no longer makes this part, and there's no substitute part
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