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Tecumseh TYPE 643-21 engine Parts
Here are the diagrams and repair parts for Tecumseh TYPE 643-21 engine, as well as links to manuals and error code tables, if available.
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Browse Parts for TYPE 643-21 Engine
Basic engine diagram
Lock Nut
Part #650456
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Piston Pin
Part #310178
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Idle Adj Rod
Part #570425
The manufacturer no longer makes this part, and there's no substitute part
Screw
Part #650618
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Control Bracket
Part #570469
The manufacturer no longer makes this part, and there's no substitute part
Magneto no. 610832a diagram
Condenser
Part #30548A
The manufacturer no longer makes this part, and there's no substitute part
Magneto no. 610832a diagram
Nut
Part #610408
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Key
Part #650496
The manufacturer no longer makes this part, and there's no substitute part
Carburetor no. 631899 diagram
Screw Assembly
Part #631271
The manufacturer no longer makes this part, and there's no substitute part
Basic engine diagram
Washer
Part #650201
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas cooktops
Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …
Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…
Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…
Repair guides for gas cooktops
How to replace a spark module on a gas cooktop
No flame on your gas cooktop? Installing a new spark module could be the fix you need.…
Repair time and Difficulty
30 minutes or less
How to replace a spark igniter switch on a gas cooktop
Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…
Repair time and Difficulty
45 minutes or less
Effective articles & videos to help repair your lawn & garden engines
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