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

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Sears
Cycling

Model # 502457170 Official Sears 20" moto-cross bicycle

Here are the diagrams and repair parts for Official Sears 502457170 20" moto-cross bicycle, 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 112 parts  |
Sprocket 300424
#39A

Shimano three speed hub diagram

Sprocket

Part #300424

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

Spk 7-9/16 303155
#10

Unit parts diagram

Spk 7-9/16

Part #303155

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

Axle Mx 303520

#NI

All parts diagram

Axle mx

Part #303520

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

Spring Clip 302022
#3

Fork & suspension assembly diagram

Spring clip

Part #302022

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

Clip Hdwe 302025
#11

Fork & suspension assembly diagram

Clip hdwe

Part #302025

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

Crank 8952C
#16

Unit parts diagram

Crank

Part #8952C

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

Bracket 32575Z
#30

Unit parts diagram

Bracket

Part #32575Z

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

Snap Ring C 300027
#40

Shimano three speed hub diagram

Snap ring c

Part #300027

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

Bearing Set 303384
#7

Head bearing set diagram

Bearing set

Part #303384

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

Pawl Pin D 300718
#18

Shimano three speed hub diagram

Pawl pin d

Part #300718

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

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Read more
Repair difficulty
Time required
 30 minutes or less

Articles and videos for electric wall ovens

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

Read more
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
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