Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Horizon
Exercise Cycle

Model # 3.1B Official Horizon exercise bike

Here are the diagrams and repair parts for Official Horizon 31B exercise bike, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 65 parts  |
Power Socket MB0624006A
#Q05

Bike 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
Connector Plate MJ1234001
Connector plate

Part #MJ1234001

Replaced by #007964-00

?
Manufacturer substitution
This part replaces MJ1234001. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Seatbottom MB1001055AA
#D03

Bike assembly diagram

Seatbottom

Part #MB1001055AA

Replaced by #001722-AA

?
Manufacturer substitution
This part replaces MB1001055AA. Substitute parts can look different from the original.
$17.50
In Stock
Bearing MD0501005
#U03

Bike assembly diagram

Bearing

Part #MD0501005

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

End Cap MB0678025A
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
Sleeve MB0614013D
#D06

Bike assembly diagram

Sleeve

Part #MB0614013D

Replaced by #000993-E

?
Manufacturer substitution
This part replaces MB0614013D. Substitute parts can look different from the original.
This item is not returnable
$2.62
In Stock
Washer ME0508004
#T18

Bike 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
$2.16
In Stock
Sleeve MB0604003
#S07

Bike assembly diagram

Sleeve

Part #MB0604003

Replaced by #000827-00

?
Manufacturer substitution
This part replaces MB0604003. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Screw ME0107015
#Q08

Bike 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
$2.40
In Stock
Poly V-belt MD0608005A
#R03

Bike assembly diagram

Poly v-belt

Part #MD0608005A

Replaced by #004203-A

?
Manufacturer substitution
This part replaces MD0608005A. Substitute parts can look different from the original.
$28.99
In Stock

Effective articles & videos to help repair your fitness & exercise

View all
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....

Read more

Parts & More