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DP 21-4000A treadmill

DP 21-4000A treadmill Parts

Here are the diagrams and repair parts for DP 21-4000A treadmill, as well as links to manuals and error code tables, if available.

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Browse Parts for 21-4000A Fitness & Exercise

  • Potentiometer for DP 21-4000A - Part 37027800

    Control panel diagram

    Potentiometer

    Part #37027800

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

  • Motor Pan for DP 21-4000A - Part 09161700

    Motor and walking belt assembly diagram

    Motor Pan

    Part #09161700

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

  • Side Rail for DP 21-4000A - Part 09137600

    Side Rail

    Part #09137600

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

  • Washer for DP 21-4000A - Part 26000667

    Washer

    Part #26000667

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

  • Flywhl Pully for DP 21-4000A - Part 39262900

    Motor and walking belt assembly diagram

    Flywhl Pully

    Part #39262900

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

  • Motor Cover for DP 21-4000A - Part 09144941

    Motor and walking belt assembly diagram

    Motor Cover

    Part #09144941

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

  • Reset Switch for DP 21-4000A - Part 37037200

    Control panel diagram

    Reset Switch

    Part #37037200

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

  • 5/16 Locknut for DP 21-4000A - Part 25009800

    5/16 Locknut

    Part #25009800

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

  • Console Top for DP 21-4000A - Part 39312141

    Control panel diagram

    Console Top

    Part #39312141

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

  • Wheel for DP 21-4000A - Part 09076600

    Motor and walking belt assembly diagram

    Wheel

    Part #09076600

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

Most common symptoms to help you fix your fitness & exercise

Choose a symptom to see related treadmill repairs.

Main causes: bad resistance motor, faulty control console, wiring failure…

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

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 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
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

Effective articles & videos to help repair your fitness & exercise

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

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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