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DP 21-4000 treadmill

DP 21-4000 treadmill Parts

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

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Browse Parts for 21-4000 Fitness & Exercise

  • Battery for DP 21-4000 - Part STD363095

    #NI

    All parts diagram

    Battery

    Part #STD363095

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

  • Bushing for DP 21-4000 - Part 37016900

    Control panel diagram

    Bushing

    Part #37016900

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

  • Mtr Contrllr for DP 21-4000 - Part 37035600

    Motor and walking belt assembly diagram

    Mtr Contrllr

    Part #37035600

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

  • On/off Switch for DP 21-4000 - Part 37030800

    Control panel diagram

    On/off Switch

    Part #37030800

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

  • Rear Roller for DP 21-4000 - Part 39311600

    Motor and walking belt assembly diagram

    Rear Roller

    Part #39311600

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

  • Assy,oc4 Con for DP 21-4000 - Part 39312000

    Control panel diagram

    Assy,oc4 Con

    Part #39312000

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

  • Motor Cover for DP 21-4000 - 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

  • Mount Strap for DP 21-4000 - Part 39195600

    Motor and walking belt assembly diagram

    Mount Strap

    Part #39195600

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

  • L End Cover for DP 21-4000 - Part 09118600

    Motor and walking belt assembly diagram

    L End Cover

    Part #09118600

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

  • Lock Nut for DP 21-4000 - Part 25011100

    Lock Nut

    Part #25011100

    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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