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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

  • Bolt for DP 21-4000A - Part 23016300

    Motor and walking belt assembly diagram

    Bolt

    Part #23016300

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

  • Tread Belt for DP 21-4000A - Part 09137300

    Tread Belt

    Part #09137300

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

  • Spring/brkt for DP 21-4000A - Part 39354900

    Motor and walking belt assembly diagram

    Spring/brkt

    Part #39354900

    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

  • Screw for DP 21-4000A - Part 20013100

    Screw

    Part #20013100

    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

  • Bolt for DP 21-4000A - Part 22000800

    Bolt

    Part #22000800

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

  • 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

  • Wire Harns A for DP 21-4000A - Part 39312300

    Control panel diagram

    Wire Harns A

    Part #39312300

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

  • Battery for DP 21-4000A - Part STD363091

    #NI

    All parts diagram

    Battery

    Part #STD363091

    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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