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 4.2T treadmill

Horizon 4.2T treadmill Parts

Here are the diagrams and repair parts for Horizon 4.2T 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 4.2T Fitness & Exercise

  • Motor Cover for Horizon 4.2T - Part MB0236067AA

    Treadmill assy diagram

    Motor Cover

    Part #MB0236067AA

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

  • C-clip for Horizon 4.2T - Part MZE0701001

    Treadmill assy diagram

    C-clip

    Part #MZE0701001

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

  • Motor Set for Horizon 4.2T - Part SCA302017

    Treadmill assy diagram

    Motor Set

    Part #SCA302017

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

  • Fix Plate for Horizon 4.2T - Part MJ1040005C

    Treadmill assy diagram

    Fix Plate

    Part #MJ1040005C

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

  • Washer for Horizon 4.2T - Part MZE0502236

    Treadmill assy diagram

    Washer

    Part #MZE0502236

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

  • Bolt for Horizon 4.2T - Part MJ3011004A

    Treadmill assy diagram

    Bolt

    Part #MJ3011004A

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

  • Power Board for Horizon 4.2T - Part SZTM115MCB

    Treadmill assy diagram

    Power Board

    Part #SZTM115MCB

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

  • Nut for Horizon 4.2T - Part MZE0201005

    Treadmill assy diagram

    Nut

    Part #MZE0201005

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

  • Socket for Horizon 4.2T - Part MC0703023

    Treadmill assy diagram

    Socket

    Part #MC0703023

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

  • C-clip for Horizon 4.2T - Part MZE0902005

    Treadmill assy diagram

    C-clip

    Part #MZE0902005

    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
Dishwasher
Front-Engine Lawn Tractor
Gas Walk-Behind Mower
Ice Cream Maker
Parts
Refrigerator
Side-By-Side Refrigerator
Small Appliance
Washer