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Model # TYPE 643-21 Official Tecumseh engine
Here are the diagrams and repair parts for Official Tecumseh TYPE 643-21 engine, as well as links to manuals and error code tables, if available.
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TYPE 643-21 Engine
#18
Basic engine diagram
Gasket
Part #510274
The manufacturer no longer makes this part, and there's no substitute part
#13
Carburetor no. 631899 diagram
Clip
Part #631022
The manufacturer no longer makes this part, and there's no substitute part
#5
Basic engine diagram
Piston
Part #310230
The manufacturer no longer makes this part, and there's no substitute part
#21
Carburetor no. 631899 diagram
Bowl gasket
Part #631334
The manufacturer no longer makes this part, and there's no substitute part
#74
Basic engine diagram
Rewnd startr
Part #590420
The manufacturer no longer makes this part, and there's no substitute part
#6
Basic engine diagram
Pistn rng st
Part #310190
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
#11
Magneto no. 610832a diagram
Coil
Part #30560A
The manufacturer no longer makes this part, and there's no substitute part
#3
Rewind starter no. 590420 diagram
Brake spring
Part #590411
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
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