Horizon
Treadmill

Model #1.3T Official Horizon treadmill

Here are the diagrams and repair parts for Horizon 13T treadmill, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Showing 10 of 151 parts

Treadmill Walking Belt Lubricant (replaces 016591-Z, DC200-1000CS, MB1102001A)#KIT

Treadmill Diagram

Bottle set

Part #MF0821002A
Replaced by #1000092805
?
Manufacturer substitution
This part replaces MF0821002A. Substitute parts can look different from the original.
This item is not returnable
In Stock
$17.79 | 
10% OFF 
Phone Price: $19.79
Treadmill Power Cord Receptacle (replaces 003363-00, MC0703045A)#P11

Treadmill Diagram

Socket

Part #MC0703023
Replaced by #019749-A
?
Manufacturer substitution
This part replaces MC0703023. Substitute parts can look different from the original.
This item is not returnable
In Stock
$9.62 | 
9% OFF 
Phone Price: $10.62
Treadmill Power Cord#P16

Treadmill Diagram

Ac cord

Part #MC0504054A
Replaced by #002169-A
?
Manufacturer substitution
This part replaces MC0504054A. Substitute parts can look different from the original.
In Stock
$46.34 | 
10% OFF 
Was: $51.49
Elliptical Bolt (replaces MZE0112046)#H44

Treadmill Diagram

Bolt

Part #MZE0112046
Replaced by #004735-00
?
Manufacturer substitution
This part replaces MZE0112046. Substitute parts can look different from the original.
This item is not returnable
In Stock
$2.21
Treadmill On/Off Switch#P02

Treadmill Diagram

Switch

Part #MC0701002
Replaced by #003326-00
?
Manufacturer substitution
This part replaces MC0701002. Substitute parts can look different from the original.
In Stock
$27.79 | 
15% OFF 
Phone Price: $32.79
Treadmill Bolt#B37

Treadmill Diagram

Deck bolt

Part #MZE0105005
Replaced by #004562-00
?
Manufacturer substitution
This part replaces MZE0105005. Substitute parts can look different from the original.
This item is not returnable
In Stock
$2.16
Back Cover#N08

Treadmill Diagram

Back cover

Part #MB06A5002BB
Replaced by #001478-BB
?
Manufacturer substitution
This part replaces MB06A5002BB. Substitute parts can look different from the original.
In Stock
$10.70
Sleeve#C11

Treadmill Diagram

Sleeve

Part #MD0504024A
Replaced by #004123-A
?
Manufacturer substitution
This part replaces MD0504024A. Substitute parts can look different from the original.
This item is not returnable
In Stock
$3.05
Cable#P06

Treadmill Diagram

Cable

Part #MC0501061A
Replaced by #002020-C
?
Manufacturer substitution
This part replaces MC0501061A. Substitute parts can look different from the original.
In Stock
$31.70
Treadmill Rear Roller#AR2

Treadmill Diagram

Roller

Part #MR0902010D
Replaced by #1000108449
?
Manufacturer substitution
This part replaces MR0902010D. Substitute parts can look different from the original.
In Stock
$147.39 | 
6% OFF 
Phone Price: $157.39

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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

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 motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the motor correctly.

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 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

Articles and videos common to all fitness & exercise

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

June 29, 2022

Top questions about Sears and Sears PartsDirect

By Lyle Weischwill

Get answers to frequently asked questions about Sears and Sears PartsDirect.