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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  |
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
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
Sleeve ML0105003A
#H04

Elliptical assembly diagram

Sleeve

Part #ML0105003A

Replaced by #103299

?
Manufacturer substitution
This part replaces ML0105003A. Substitute parts can look different from the original.
This item is not returnable
$8.99 | 
10% OFF Phone Price : $9.99
In Stock
Side Cover MB0203041C
#Q01A

Elliptical assembly diagram

Side cover

Part #MB0203041C

Replaced by #000130-F

?
Manufacturer substitution
This part replaces MB0203041C. Substitute parts can look different from the original.
$29.60
In Stock
Screw MZE0114034
#G14

Elliptical assembly diagram

Screw

Part #MZE0114034

Replaced by #004849-00

?
Manufacturer substitution
This part replaces MZE0114034. Substitute parts can look different from the original.
This item is not returnable
$2.16
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
Swivel Bracket SP0340002AA
#AG5

Elliptical assembly diagram

Swivel bracket

Part #SP0340002AA

Replaced by #015621-AB

?
Manufacturer substitution
This part replaces SP0340002AA. Substitute parts can look different from the original.
$25.49
In Stock
Insert MZE0301009
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 MZE0112001
#S13

Elliptical assembly diagram

Screw

Part #MZE0112001

Replaced by #004708-Z

?
Manufacturer substitution
This part replaces MZE0112001. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
End Cap MB0629020A
#Q06

Elliptical assembly diagram

End cap

Part #MB0629020A

Replaced by #001188-B

?
Manufacturer substitution
This part replaces MB0629020A. Substitute parts can look different from the original.
This item is not returnable
$5.24
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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