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Horizon DT850 treadmill

Horizon DT850 treadmill Parts

Here are the diagrams and repair parts for Horizon DT850 treadmill, as well as links to manuals and error code tables, if available.

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Browse Parts for DT850 Fitness & Exercise

  • Front Roller for Horizon DT850 - Part SM0907029C

    Treadmill assy diagram

    Front Roller

    Part #SM0907029C

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

  • Mtr Brkt for Horizon DT850 - Part SP0026038B

    Treadmill assy diagram

    Mtr Brkt

    Part #SP0026038B

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

  • Wire Harness for Horizon DT850 - Part MC0501136A

    Treadmill assy diagram

    Wire Harness

    Part #MC0501136A

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

  • Hdwre Kit for Horizon DT850 - Part SM0039070B

    Treadmill assy diagram

    Hdwre Kit

    Part #SM0039070B

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

  • Air Cell for Horizon DT850 - Part MB0657003A

    Treadmill assy diagram

    Air Cell

    Part #MB0657003A

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

  • Motor Set for Horizon DT850 - Part SCA302017

    Treadmill assy diagram

    Motor Set

    Part #SCA302017

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

  • Arc Washer for Horizon DT850 - Part ME0503001

    Treadmill assy diagram

    Arc Washer

    Part #ME0503001

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

  • Washer for Horizon DT850 - Part MZE0502025

    Washer

    Part #MZE0502025

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

  • T-wrench for Horizon DT850 - Part MZE1002003

    Treadmill assy diagram

    T-wrench

    Part #MZE1002003

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

  • Screw for Horizon DT850 - Part MZE0107058A

    Treadmill assy diagram

    Screw

    Part #MZE0107058A

    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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