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Horizon
Elliptical Machine

Model # EX-55 Official Horizon elliptical machine

Here are the diagrams and repair parts for Official Horizon EX-55 elliptical machine, 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 119 parts  |
Screw MZE0112109
#Z06

Elliptical diagram

Screw

Part #MZE0112109

Replaced by #004771-00

?
Manufacturer substitution
This part replaces MZE0112109. Substitute parts can look different from the original.
This item is not returnable
$3.00 | 
25% OFF Phone Price : $4.00
In Stock
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
Level Dev MB0301002
Level dev

Part #MB0301002

Replaced by #000485-00

?
Manufacturer substitution
This part replaces MB0301002. Substitute parts can look different from the original.
This item is not returnable
$3.49
In Stock
Washer MZE0505038
#Z05

Elliptical diagram

Washer

Part #MZE0505038

Replaced by #005198-00

?
Manufacturer substitution
This part replaces MZE0505038. Substitute parts can look different from the original.
This item is not returnable
$4.26
In Stock
Washer MZE0501038A
#E26

Elliptical diagram

Washer

Part #MZE0501038A

Replaced by #005005-00

?
Manufacturer substitution
This part replaces MZE0501038A. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Drive Belt MD0602035A
#R15

Elliptical diagram

Drive belt

Part #MD0602035A

Replaced by #004177-A

?
Manufacturer substitution
This part replaces MD0602035A. Substitute parts can look different from the original.
$32.69 | 
13% OFF Phone Price : $37.69
In Stock
Pivot Tube SZEP109CPS
#AE2

Elliptical diagram

Pivot tube

Part #SZEP109CPS

Replaced by #060158-Z

?
Manufacturer substitution
This part replaces SZEP109CPS. Substitute parts can look different from the original.
$51.59 | 
9% OFF Phone Price : $56.59
In Stock
Screw MZE0114032AB
#G15

Elliptical diagram

Screw

Part #MZE0114032AB

Replaced by #004847-AB

?
Manufacturer substitution
This part replaces MZE0114032AB. Substitute parts can look different from the original.
This item is not returnable
$3.94
In Stock
Bushing MJ3343016B
#Z07

Elliptical diagram

Bushing

Part #MJ3343016B

Replaced by #009053-D

?
Manufacturer substitution
This part replaces MJ3343016B. Substitute parts can look different from the original.
This item is not returnable
$4.37
In Stock
Bolt ME0112087
#L10

Elliptical diagram

Bolt

Part #ME0112087

Replaced by #004758-00

?
Manufacturer substitution
This part replaces ME0112087. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

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Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

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Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

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How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

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Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

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Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

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Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

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Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

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Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

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Repair guides for elliptical machines

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

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How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

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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 elliptical.

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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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