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Horizon
Treadmill

Model # T35 Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon T35 treadmill, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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.

Model diagram and schematic

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ALL PARTS
Showing 10 of 154 parts  |
Nut MZE0204005
Nut

Part #MZE0204005

Replaced by #004926-00

?
Manufacturer substitution
This part replaces MZE0204005. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Bottle Set MF0821002A
#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
$16.01 | 
11% OFF Phone Price : $18.01
In Stock
Switch MC0701002
#P02

Treadmill diagram

Switch

Part #MC0701002

Replaced by #003326-00

?
Manufacturer substitution
This part replaces MC0701002. Substitute parts can look different from the original.
$27.79 | 
18% OFF Phone Price : $33.79
In Stock
Bolt 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
$2.21
In Stock
Rubber Pad MB0607001B
#M07

Treadmill diagram

Rubber pad

Part #MB0607001B

Replaced by #056374-AA

?
Manufacturer substitution
This part replaces MB0607001B. Substitute parts can look different from the original.
This item is not returnable
$5.66
In Stock
Wheel MB0103006B
Wheel

Part #MB0103006B

Replaced by #000021-B

?
Manufacturer substitution
This part replaces MB0103006B. Substitute parts can look different from the original.
This item is not returnable
$5.25
In Stock
Control Motor SJED08011AA
#M03

Treadmill diagram

Control motor

Part #SJED08011AA

Replaced by #013674-DG

?
Manufacturer substitution
This part replaces SJED08011AA. Substitute parts can look different from the original.
$416.00 | 
$12.00 OFF Phone Price : $428.00
In Stock
Screw ME0102021
#P29

Treadmill diagram

Screw

Part #ME0102021

Replaced by #004364-00

?
Manufacturer substitution
This part replaces ME0102021. Substitute parts can look different from the original.
This item is not returnable
$2.52
In Stock
Bolt ME0112094
#H42

Treadmill diagram

Bolt

Part #ME0112094

Replaced by #004764-00

?
Manufacturer substitution
This part replaces ME0112094. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Screw ME0107015
#M24

Treadmill diagram

Screw

Part #ME0107015

Replaced by #004617-00

?
Manufacturer substitution
This part replaces ME0107015. Substitute parts can look different from the original.
This item is not returnable
$2.40
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

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

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How to replace a treadmill motor controller

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…

Read more
Repair difficulty
Time required
 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…

Read more
Repair difficulty
Time required
 45 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'…

Read more
Repair difficulty
Time required
 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.

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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.…

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