Horizon
Treadmill

Model # ADVANCE 500 Official Horizon treadmill

Here are the diagrams and repair parts for Official Horizon ADVANCE-500 treadmill, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 81 parts  |

Rail Lock MB0643001
#Q10

Treadmill assembly diagram

Rail lock

Part #MB0643001

Replaced by #001251-F

?
Manufacturer substitution
This part replaces MB0643001. Substitute parts can look different from the original.
This item is not returnable
In Stock
Insert MZE0301009
#K10

Treadmill assembly 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
In Stock
Screw ME0107015
#M24

Treadmill 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
Foam Tape ML0000173
#Q35

Treadmill assembly diagram

Foam tape

Part #ML0000173

Replaced by #009458-00

?
Manufacturer substitution
This part replaces ML0000173. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw MZE0103001
#P13

Treadmill assembly diagram

Screw

Part #MZE0103001

Replaced by #004415-Z

?
Manufacturer substitution
This part replaces MZE0103001. Substitute parts can look different from the original.
This item is not returnable
In Stock
End Cap MB0238002DB
#Q07

Treadmill assembly diagram

End cap

Part #MB0238002DB

Replaced by #000386-DB

?
Manufacturer substitution
This part replaces MB0238002DB. Substitute parts can look different from the original.
In Stock
Decal-d MG0256025A
#V13

Treadmill assembly diagram

Decal-d

Part #MG0256025A

The manufacturer no longer makes this part, and there's no substitute part

Pulse Recr MC0713012B
#N37

Treadmill assembly diagram

Pulse recr

Part #MC0713012B

The manufacturer no longer makes this part, and there's no substitute part

Plate SP0028001AB
#P21

Treadmill assembly diagram

Plate

Part #SP0028001AB

The manufacturer no longer makes this part, and there's no substitute part

Wheel Cap MB0207005BB
#Q22

Treadmill assembly diagram

Wheel cap

Part #MB0207005BB

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 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 treadmill.

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.…