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Horizon
Elliptical Machine

Model # ENDURANCE 300 Official Horizon elliptical machine

Here are the diagrams and repair parts for Official Horizon ENDURANCE-300 elliptical machine, as well as links to manuals and error code tables, if available.

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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.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 162 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
Spacer MJ3310001
#R27

Elliptical assembly 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
Ac Adapter MC0714069A
#P09

Elliptical assembly diagram

Ac adapter

Part #MC0714069A

Replaced by #003478-A2

?
Manufacturer substitution
This part replaces MC0714069A. Substitute parts can look different from the original.
$57.79 | 
9% OFF Phone Price : $63.79
In Stock
Washer MZE0505042A
#G23

Elliptical assembly 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
Bolt ME0112024
#L04

Elliptical assembly diagram

Bolt

Part #ME0112024

Replaced by #004796-00

?
Manufacturer substitution
This part replaces ME0112024. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Cable MC0501035B
#P01

Elliptical assembly diagram

Cable

Part #MC0501035B

Replaced by #002028-D

?
Manufacturer substitution
This part replaces MC0501035B. Substitute parts can look different from the original.
$34.01
In Stock
End Cap MB0678025A
#Q17

Elliptical assembly diagram

End cap

Part #MB0678025A

Replaced by #001412-A

?
Manufacturer substitution
This part replaces MB0678025A. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Washer ME0502015
#E19

Elliptical assembly diagram

Washer

Part #ME0502015

Replaced by #005034-00

?
Manufacturer substitution
This part replaces ME0502015. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Bolt ME0101027
#L08

Elliptical assembly diagram

Bolt

Part #ME0101027

Replaced by #004331-AB

?
Manufacturer substitution
This part replaces ME0101027. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Wheel MB0102003
#L05

Elliptical assembly diagram

Wheel

Part #MB0102003

Replaced by #000014-00

?
Manufacturer substitution
This part replaces MB0102003. Substitute parts can look different from the original.
$7.76
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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