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.

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
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
In Stock
Nut MZE0201012
#R16

Elliptical assembly diagram

Nut

Part #MZE0201012

Replaced by #004891-00

?
Manufacturer substitution
This part replaces MZE0201012. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw ME0107015
#Q30

Elliptical assembly diagram

Screw

Part #ME0107015

Replaced by #004617-00

?
Manufacturer substitution
This part replaces ME0107015. Substitute parts can look different from the original.
This item is not returnable
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.
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
In Stock
Washer ME0508004
#R51

Elliptical assembly diagram

Washer

Part #ME0508004

Replaced by #005239-00

?
Manufacturer substitution
This part replaces ME0508004. Substitute parts can look different from the original.
This item is not returnable
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
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
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
In Stock

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

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

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

Main causes: loose fastening bolts, damaged handle bars…

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

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

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

Main cause: lack of lubrication on pivot points…

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

Repair guides for elliptical machines

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

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.…

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.…

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.…

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.

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.…