Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Horizon CST4 treadmill

Horizon CST4 treadmill Parts

Here are the diagrams and repair parts for Horizon CST4 treadmill, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for CST4 Fitness & Exercise

  • Washer for Horizon CST4 - Part MZE0505063A

    Treadmill diagram

    Washer

    Part #MZE0505063A

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

  • Reed Switch for Horizon CST4 - Part MC0403014A

    Treadmill diagram

    Reed Switch

    Part #MC0403014A

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

  • Switch for Horizon CST4 - Part MC0701002

    Treadmill diagram

    Switch

    Part #MC0701002

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

  • Fan for Horizon CST4 - Part MC0103004A

    Treadmill diagram

    Fan

    Part #MC0103004A

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

  • Bottom Cover for Horizon CST4 - Part MB0236039BA

    Treadmill diagram

    Bottom Cover

    Part #MB0236039BA

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

  • Screw for Horizon CST4 - Part MZE0103001

    Treadmill diagram

    Screw

    Part #MZE0103001

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

  • Plate for Horizon CST4 - Part SP0028002AD

    Treadmill diagram

    Plate

    Part #SP0028002AD

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

  • Decal for Horizon CST4 - Part MG0229036A

    Treadmill diagram

    Decal

    Part #MG0229036A

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

  • Owner's Manual for Horizon CST4 - Part MH0207137A

    Treadmill diagram

    Owner's Manual

    Part #MH0207137A

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

  • End Cap for Horizon CST4 - Part MB0609124BA

    Treadmill diagram

    End Cap

    Part #MB0609124BA

    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.…

Parts & More

Central Air Conditioner
Gas Range
Gas Snowblower
Parts
Top-Mount Refrigerator
Treadmill
Washer