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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  |
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
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
Washer MZE0505042A
#G19

Elliptical diagram

Washer

Part #MZE0505042A

Replaced by #005200-A

?
Manufacturer substitution
This part replaces MZE0505042A. Substitute parts can look different from the original.
This item is not returnable
$2.50
In Stock
Pedal Axle SZEP109PAX
#R01

Elliptical diagram

Pedal axle

Part #SZEP109PAX

Replaced by #013111-Z

?
Manufacturer substitution
This part replaces SZEP109PAX. Substitute parts can look different from the original.
$86.89 | 
6% OFF Phone Price : $92.89
In Stock
Spacer MJ3310001
#R03

Elliptical diagram

Spacer

Part #MJ3310001

Replaced by #013111-Z

?
Manufacturer substitution
This part replaces MJ3310001. Substitute parts can look different from the original.
$86.89 | 
6% OFF Phone Price : $92.89
In Stock
Screw-console Case MZE0107042
#Q07

Elliptical diagram

Screw-console case

Part #MZE0107042

Replaced by #004632-00

?
Manufacturer substitution
This part replaces MZE0107042. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Washer ME0505055A
#E13

Elliptical diagram

Washer

Part #ME0505055A

Replaced by #005206-BB

?
Manufacturer substitution
This part replaces ME0505055A. Substitute parts can look different from the original.
This item is not returnable
$3.65
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
Insert MZE0301009
#L11

Elliptical diagram

Insert

Part #MZE0301009

Replaced by #004972-00

?
Manufacturer substitution
This part replaces MZE0301009. Substitute parts can look different from the original.
This item is not returnable
$2.16
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

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.…

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 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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