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 CST3.6 treadmill

Horizon CST3.6 treadmill Parts

Here are the diagrams and repair parts for Horizon CST3.6 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 CST3.6 Fitness & Exercise

  • Roller Set for Horizon CST3.6 - Part MR0901028DB

    Treadmill diagram

    Roller Set

    Part #MR0901028DB

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

  • Belt Guide for Horizon CST3.6 - Part MJ1060004C

    Treadmill diagram

    Belt Guide

    Part #MJ1060004C

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

  • Rail Lock for Horizon CST3.6 - Part MB0643001

    Treadmill diagram

    Rail Lock

    Part #MB0643001

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

  • Sleeve for Horizon CST3.6 - Part MJ3025011B

    Treadmill diagram

    Sleeve

    Part #MJ3025011B

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

  • Air Shock for Horizon CST3.6 - Part ML0211077AX

    Treadmill diagram

    Air Shock

    Part #ML0211077AX

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

  • Console Shell-rear for Horizon CST3.6 - Part SR0313030AAX

    Treadmill diagram

    Console Shell-rear

    Part #SR0313030AAX

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

  • Washer for Horizon CST3.6 - Part ME0502026

    Treadmill diagram

    Washer

    Part #ME0502026

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

  • Insert for Horizon CST3.6 - Part MZE0301009

    Treadmill diagram

    Insert

    Part #MZE0301009

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

  • Belt for Horizon CST3.6 - Part MD0610099B

    Treadmill diagram

    Belt

    Part #MD0610099B

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

  • Washer for Horizon CST3.6 - Part ME0502126

    Treadmill diagram

    Washer

    Part #ME0502126

    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.…

Parts & More

Bottom-Mount Refrigerator
Camping
Dishwasher
Dryer
Fitness & Exercise
Gas Snowblower
Others
Parts
Range
Refrigerator
Riding Mowers & Tractors
Snowblower
Vacuum Cleaner
Washer