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Horizon 3.1T treadmill Parts

Here are the diagrams and repair parts for Horizon 3.1T treadmill, as well as links to manuals and error code tables, if available.

Horizon 3.1T treadmill
By Schematic
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This is the number corresponding to the part on the diagram / schematic

Browse Parts for 3.1T Fitness & Exercise

  • Lock Ring for Horizon 3.1T - Part MB0302002

    Treadmill diagram

    Lock Ring

    Part #MB0302002

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

  • Nut for Horizon 3.1T - Part MZE0204005

    Nut

    Part #MZE0204005

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

  • Hook,foot for Horizon 3.1T - Part SP0027001AC

    Treadmill diagram

    Hook,foot

    Part #SP0027001AC

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

  • Safety Key for Horizon 3.1T - Part MR0004003A

    Safety Key

    Part #MR0004003A

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

  • Bolt for Horizon 3.1T - Part MZE0112002

    Treadmill diagram

    Bolt

    Part #MZE0112002

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

  • Decal-motor Cover, Logo for Horizon 3.1T - Part MG0214105A

    Treadmill diagram

    Decal-motor Cover, Logo

    Part #MG0214105A

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

  • Level Dev for Horizon 3.1T - Part MB0301002

    Treadmill diagram

    Level Dev

    Part #MB0301002

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

  • Fxng Plate for Horizon 3.1T - Part MC0402002

    Treadmill diagram

    Fxng Plate

    Part #MC0402002

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

  • Lock Washer for Horizon 3.1T - Part MZE0501005

    Treadmill diagram

    Lock Washer

    Part #MZE0501005

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

  • Screw for Horizon 3.1T - Part MJ3022007B

    Treadmill diagram

    Screw

    Part #MJ3022007B

    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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