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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.

DP 21-4000A treadmill
By Schematic
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Browse Parts for 21-4000A Fitness & Exercise

  • Screw for DP 21-4000A - Part 20013100

    Screw

    Part #20013100

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

  • Handrail for DP 21-4000A - Part 30446116

    Handrail

    Part #30446116

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

  • Lock Nut for DP 21-4000A - Part 25001500

    Control panel diagram

    Lock Nut

    Part #25001500

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

  • Push Nut for DP 21-4000A - Part 25008900

    Push Nut

    Part #25008900

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

  • Motor Mount for DP 21-4000A - Part 38326610

    Motor and walking belt assembly diagram

    Motor Mount

    Part #38326610

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

  • Screw Sm for DP 21-4000A - Part 20018800

    Motor and walking belt assembly diagram

    Screw Sm

    Part #20018800

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

  • Assy,front R for DP 21-4000A - Part 39330900

    Motor and walking belt assembly diagram

    Assy,front R

    Part #39330900

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

  • Lock Nut for DP 21-4000A - Part 25011100

    Lock Nut

    Part #25011100

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

  • Console Btm for DP 21-4000A - Part 09134900

    Control panel diagram

    Console Btm

    Part #09134900

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

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

    Control panel diagram

    Assy,oc4 Con

    Part #39312000

    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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