Horizon
Treadmill

Model #T50 Horizon treadmill

Here are the diagrams and repair parts for Horizon T50 treadmill, as well as links to manuals and error code tables, if available.


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Showing 10 of 172 parts

L Hbar Set

#AG1A

All parts Diagram

L hbar set

Part #SZTM162HDB-L
$29.28

In Stock

Support

#AC12

All parts Diagram

Support

Part #014823-A
?
Manufacturer substitution
This part replaces SP0003029A. Substitute parts can look different from the original.
This part replaces SP0003029A
$51.99

In Stock

Bolt

#B41

All parts Diagram

Bolt

Part #008609-00
?
Manufacturer substitution
This part replaces MJ3011001. Substitute parts can look different from the original.
This part replaces MJ3011001
This item is not returnable
$5.93

In Stock

Decal Pop

#V04

All parts Diagram

Decal pop

Part #006406-A
?
Manufacturer substitution
This part replaces MG0234086A. Substitute parts can look different from the original.
This part replaces MG0234086A
This item is not returnable
$2.63

In Stock

C-Clip

#H24

All parts Diagram

C-clip

Part #005360-00
?
Manufacturer substitution
This part replaces MZE0902005. Substitute parts can look different from the original.
This part replaces MZE0902005
This item is not returnable
$2.49

In Stock

Grip Pulse Sensor

#N15

All parts Diagram

Grip pulse sensor

Part #003442-C
?
Manufacturer substitution
This part replaces MC0712044A. Substitute parts can look different from the original.
This part replaces MC0712044A
$13.48

In Stock

Treadmill Walking Board

#B31

All parts Diagram

Treadmill walking board

Part #004294FA
?
Manufacturer substitution
This part replaces MD0701019FA. Substitute parts can look different from the original.
This part replaces MD0701019FA
$143.74

In Stock

Treadmill Power Cord Receptacle

#P11

All parts Diagram

Treadmill power cord receptacle

Part #019749-A
?
Manufacturer substitution
This part replaces MC0703023. Substitute parts can look different from the original.
This part replaces MC0703023
$7.98

In Stock

Case Front

#N08A

All parts Diagram

Case front

Part #019028-CA
?
Manufacturer substitution
This part replaces MB0617112AA. Substitute parts can look different from the original.
This part replaces MB0617112AA
$29.25

In Stock

Washer

#H47

All parts Diagram

Washer

Part #MZE0502054

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor
Main causes: faulty sensors, wiring failure, bad control console
Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor
Main causes: rear roller out of alignment, damaged walking belt, bad roller
Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor control board
Main causes: bad control console, wiring failure, bad motor control board
Main causes: damaged walking belt, improper belt tension, bad roller bearing

Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

June 1, 2015
By Lyle Weischwill
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't run.

Repair difficulty
Time required
 15 minutes or less
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 these steps.

Repair difficulty
Time required
 45 minutes or less
June 1, 2015
By Lyle Weischwill
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 walking board if it's worn or damaged.

Repair difficulty
Time required
 30 minutes or less

Articles and videos for treadmills

Use the advice and tips in these articles and videos to get the most out of your treadmill.

January 18, 2016

How to use a multimeter to test electrical parts video

By Sears PartsDirect staff

Learn how to use a multimeter to check for wiring problems in an appliance that's not working

June 29, 2015

Easy DIY treadmill repairs

By Sears PartsDirect staff

Learn about treadmill repairs that you can easily do yourself.

June 1, 2015

Treadmill common questions

By Sears PartsDirect staff

These answers to common questions can help you make the most of your treadmill.