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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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  • 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.

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
Screw MZE0107013
Screw

Part #MZE0107013

Replaced by #055204-A

?
Manufacturer substitution
This part replaces MZE0107013. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Sleeve ML0105001C
#G11

Elliptical assembly diagram

Sleeve

Part #ML0105001C

Replaced by #103296

?
Manufacturer substitution
This part replaces ML0105001C. Substitute parts can look different from the original.
$8.50
In Stock
Bolt ME0112023
#C07

Elliptical assembly diagram

Bolt

Part #ME0112023

Replaced by #004719-00

?
Manufacturer substitution
This part replaces ME0112023. Substitute parts can look different from the original.
This item is not returnable
$2.42
In Stock
Washer ME0505055A

#NI06

All parts 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
Transmittr MC0608008

#NI14

All parts diagram

Transmittr

Part #MC0608008

Replaced by #003307-00

?
Manufacturer substitution
This part replaces MC0608008. Substitute parts can look different from the original.
$61.67
In Stock
Power Socket MB0624006A
#Q19

Elliptical assembly diagram

Power socket

Part #MB0624006A

Replaced by #001161-C

?
Manufacturer substitution
This part replaces MB0624006A. Substitute parts can look different from the original.
This item is not returnable
$3.00
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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