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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

  • Bracket Assembly for DP 21-4000A - Part 39344700

    Control panel diagram

    Bracket Assembly

    Part #39344700

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

  • Bolt for DP 21-4000A - Part 22011200

    Motor and walking belt assembly diagram

    Bolt

    Part #22011200

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

  • Handrail As for DP 21-4000A - Part 39335800

    Handrail As

    Part #39335800

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

  • Head Bolt for DP 21-4000A - Part 22022700

    Motor and walking belt assembly diagram

    Head Bolt

    Part #22022700

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

  • Hex Nut for DP 21-4000A - Part 25000400

    Control panel diagram

    Hex Nut

    Part #25000400

    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

  • Treadmill Drive Belt for DP 21-4000A - Part 09091000

    Motor and walking belt assembly diagram

    Treadmill Drive Belt

    Part #09091000

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

  • Handlebar for DP 21-4000A - Part 30436216

    Control panel diagram

    Handlebar

    Part #30436216

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

  • Rear Roller for DP 21-4000A - 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

  • 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

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 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 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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