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

  • Deck Exten for Horizon 4.2T - Part MB0603007AA

    Treadmill assy diagram

    Deck Exten

    Part #MB0603007AA

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

  • Cap for Horizon 4.2T - Part MB0605027A

    Treadmill assy diagram

    Cap

    Part #MB0605027A

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

  • Supp Mast for Horizon 4.2T - Part SP0003040AA

    Treadmill assy diagram

    Supp Mast

    Part #SP0003040AA

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

  • Washer for Horizon 4.2T - Part MZE0502025

    Washer

    Part #MZE0502025

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

  • Screw for Horizon 4.2T - Part MZE0104074

    Treadmill assy diagram

    Screw

    Part #MZE0104074

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

  • Decal for Horizon 4.2T - Part MG0215104A

    Treadmill assy diagram

    Decal

    Part #MG0215104A

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

  • Spacer for Horizon 4.2T - Part ME0502163

    Treadmill assy diagram

    Spacer

    Part #ME0502163

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

  • Grip Pulse for Horizon 4.2T - Part MC0712021B

    Treadmill assy diagram

    Grip Pulse

    Part #MC0712021B

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

  • Wheel for Horizon 4.2T - Part MB0103006B

    Treadmill assy diagram

    Wheel

    Part #MB0103006B

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

  • Handle Bar Set (2) for Horizon 4.2T - Part SP0020008AA

    Treadmill assy diagram

    Handle Bar Set (2)

    Part #SP0020008AA

    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