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 5.3T treadmill

Horizon 5.3T treadmill Parts

Here are the diagrams and repair parts for Horizon 5.3T 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 5.3T Fitness & Exercise

  • Side Rail Only L/r for Horizon 5.3T - Part MB0801082BA

    Treadmill diagram

    Side Rail Only L/r

    Part #MB0801082BA

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

  • Base Frame for Horizon 5.3T - Part SZTM146BFM

    Treadmill diagram

    Base Frame

    Part #SZTM146BFM

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

  • Washer for Horizon 5.3T - Part MZE0504014

    Treadmill diagram

    Washer

    Part #MZE0504014

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

  • Decal Console, Right for Horizon 5.3T - Part MG0256272AX

    Treadmill diagram

    Decal Console, Right

    Part #MG0256272AX

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

  • Ground Wire for Horizon 5.3T - Part MC0507014A

    Treadmill diagram

    Ground Wire

    Part #MC0507014A

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

  • Core for Horizon 5.3T - Part MC0704005

    Treadmill diagram

    Core

    Part #MC0704005

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

  • Insert For Side Rail for Horizon 5.3T - Part MG0229098A

    Treadmill diagram

    Insert For Side Rail

    Part #MG0229098A

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

  • Front Roller for Horizon 5.3T - Part SM0040008AA

    Treadmill diagram

    Front Roller

    Part #SM0040008AA

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

  • Lock Washer for Horizon 5.3T - Part MZE0501005

    Treadmill diagram

    Lock Washer

    Part #MZE0501005

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

  • Transport Wheel for Horizon 5.3T - Part MB0101016EA

    Treadmill diagram

    Transport Wheel

    Part #MB0101016EA

    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

Bottom-Mount Refrigerator
Dishwasher
Front-Engine Lawn Tractor
Gas Range
Gas Snowblower
Gas Walk-Behind Mower
Parts
Rear-Engine Riding Mower
Scroll Saw
Top-Mount Refrigerator
Window Air Conditioner