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 MZE0502025

    Treadmill diagram

    Washer

    Part #MZE0502025

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

  • Incline for Horizon CST4 - Part SP0017009BB

    Treadmill diagram

    Incline

    Part #SP0017009BB

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

  • Speed R for Horizon CST4 - Part MC0755004A

    Treadmill diagram

    Speed R

    Part #MC0755004A

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

  • Screw for Horizon CST4 - Part MZE0107040

    Treadmill diagram

    Screw

    Part #MZE0107040

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

  • Run Belt for Horizon CST4 - Part MD0610071A

    Treadmill diagram

    Run Belt

    Part #MD0610071A

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

  • Air Cell Technology Decal Foot Rail (1 Pcs) for Horizon CST4 - Part MG0287029A

    Treadmill diagram

    Air Cell Technology Decal Foot Rail (1 Pcs)

    Part #MG0287029A

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

  • Run Deck for Horizon CST4 - Part MD0701042B

    Treadmill diagram

    Run Deck

    Part #MD0701042B

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

  • Screw for Horizon CST4 - Part MZE0102093

    Treadmill diagram

    Screw

    Part #MZE0102093

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

  • Elastomer for Horizon CST4 - Part MB0502017D

    Treadmill diagram

    Elastomer

    Part #MB0502017D

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

  • Nut for Horizon CST4 - Part MZE0204013

    Treadmill diagram

    Nut

    Part #MZE0204013

    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