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Tecumseh TYPE 643-20C engine Parts

Here are the diagrams and repair parts for Tecumseh TYPE 643-20C engine, as well as links to manuals and error code tables, if available.

Tecumseh TYPE 643-20C engine
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Browse Parts for TYPE 643-20C Engine

  • Core/plate for Tecumseh TYPE 643-20C - Part 610736

    Magneto no. 610832a diagram

    Core/plate

    Part #610736

    The manufacturer no longer makes this part, and there's no substitute part

  • Carburetor for Tecumseh TYPE 643-20C - Part 631727

    Basic engine diagram

    Carburetor

    Part #631727

    The manufacturer no longer makes this part, and there's no substitute part

  • Tank Assembly for Tecumseh TYPE 643-20C - Part 410235

    Basic engine diagram

    Tank Assembly

    Part #410235

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw Assembly for Tecumseh TYPE 643-20C - Part 631271

    Carburetor diagram

    Screw Assembly

    Part #631271

    The manufacturer no longer makes this part, and there's no substitute part

  • Wire for Tecumseh TYPE 643-20C - Part 610809

    Basic engine diagram

    Wire

    Part #610809

    The manufacturer no longer makes this part, and there's no substitute part

  • Nut for Tecumseh TYPE 643-20C - Part 610408

    Magneto no. 610832a diagram

    Nut

    Part #610408

    The manufacturer no longer makes this part, and there's no substitute part

  • Condenser for Tecumseh TYPE 643-20C - Part 30548A

    Magneto no. 610832a diagram

    Condenser

    Part #30548A

    The manufacturer no longer makes this part, and there's no substitute part

  • Washer for Tecumseh TYPE 643-20C - Part 610835

    Basic engine diagram

    Washer

    Part #610835

    The manufacturer no longer makes this part, and there's no substitute part

  • Cover Assembly for Tecumseh TYPE 643-20C - Part 631556

    Carburetor diagram

    Cover Assembly

    Part #631556

    The manufacturer no longer makes this part, and there's no substitute part

  • Clip for Tecumseh TYPE 643-20C - Part 31311

    Magneto no. 610832a diagram

    Clip

    Part #31311

    The manufacturer no longer makes this part, and there's no substitute part

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair time and Difficulty

 30 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair time and Difficulty

 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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