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Model # 3.3T Official Horizon treadmill
Here are the diagrams and repair parts for Official Horizon 3.3T treadmill, as well as links to manuals and error code tables, if available.
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3.3T Fitness & Exercise
#M03
Treadmill diagram
Pcb assembly
Part #SJED08089ED
Replaced by #032669-IF
?
Manufacturer substitution
This part replaces SJED08089ED. Substitute parts can look different from the original.
This item is not returnable
$226.82 |
5% OFF Phone Price : $238.82
In Stock
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
#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
#R04
Treadmill diagram
Bolt
Part #ME0104098
Replaced by #004496-00
?
Manufacturer substitution
This part replaces ME0104098. Substitute parts can look different from the original.
This item is not returnable
$5.57
In Stock
#L01
Treadmill diagram
Transport wheel
Part #MB0101016EA
Replaced by #000011-EA
?
Manufacturer substitution
This part replaces MB0101016EA. Substitute parts can look different from the original.
This item is not returnable
$8.72
In Stock
#P06
Treadmill diagram
Console cable
Part #MC0502044A
Replaced by #002103-A
?
Manufacturer substitution
This part replaces MC0502044A. Substitute parts can look different from the original.
$25.94
In Stock
#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
#Q10
Treadmill 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
$3.92
In Stock
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
$2.26
In Stock
#M17
Treadmill diagram
Core
Part #MC0704005
Replaced by #003386-A
?
Manufacturer substitution
This part replaces MC0704005. Substitute parts can look different from the original.
$12.13
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
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
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
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.

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