Treadmill

Model # 1.2T Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon 1.2T treadmill, as well as links to manuals and error code tables, if available.

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1.2T Fitness & Exercise
Nut MZE0204005
Nut

Part #MZE0204005

Replaced by #004926-00

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Manufacturer substitution
This part replaces MZE0204005. Substitute parts can look different from the original.
This item is not returnable
In Stock
Switch MC0701002
#P02

Treadmill assy 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
Control Motor SZTM116MCB
#M03

Treadmill assy diagram

Control motor

Part #SZTM116MCB

Replaced by #032671-HF

?
Manufacturer substitution
This part replaces SZTM116MCB. Substitute parts can look different from the original.
This item is not returnable
$305.35
$12.00 OFF Phone Price : $317.35
In Stock
Rail Lock MB0643001
#L10

Treadmill assy diagram

Rail lock

Part #MB0643001

Replaced by #001251-F

?
Manufacturer substitution
This part replaces MB0643001. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer MZE0505033
#H27

Treadmill assy diagram

Washer

Part #MZE0505033

Replaced by #005196-00

?
Manufacturer substitution
This part replaces MZE0505033. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw ME0102021
#P29

Treadmill assy 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
In Stock
Screw ME0104085
#R09

Treadmill assy diagram

Screw

Part #ME0104085

Replaced by #004488-00

?
Manufacturer substitution
This part replaces ME0104085. Substitute parts can look different from the original.
This item is not returnable
In Stock
Belt Guide MJ1060004C
#B34

Treadmill assy diagram

Belt guide

Part #MJ1060004C

Replaced by #007526-D

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Manufacturer substitution
This part replaces MJ1060004C. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw MZE0104203
#R04

Treadmill assy diagram

Screw

Part #MZE0104203

Replaced by #004486-00

?
Manufacturer substitution
This part replaces MZE0104203. Substitute parts can look different from the original.
This item is not returnable
In Stock
Cushion B MZE0511003A
#B57

Treadmill assy diagram

Cushion b

Part #MZE0511003A

Replaced by #005249-A

?
Manufacturer substitution
This part replaces MZE0511003A. Substitute parts can look different from the original.
In Stock

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

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

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

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

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

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

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 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…

Repair difficulty
Time required
 15 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 difficulty
Time required
 15 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 difficulty
Time required
 30 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.…