Sears
Cycling

Model # 503451690 Official Sears 20" bmx bicycle

Here are the diagrams and repair parts for Official Sears 503451690 20" bmx 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 48 parts  |

Master Link 073001
#22

Unit parts diagram

Master link

Part #073001

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

Axle Brg Set 054005
#26

Unit parts diagram

Axle brg set

Part #054005

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

Rr Refl Brkt 082010
#40

Unit parts diagram

Rr refl brkt

Part #082010

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

Bicycle Wheel, Front 045006
#9

Unit parts diagram

Bicycle wheel, front

Part #045006

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

Seat Post 032012
#30

Unit parts diagram

Seat post

Part #032012

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

Seat Clp Asm 035005
#31

Unit parts diagram

Seat clp asm

Part #035005

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

Spoke/nipple 049506
#27

Unit parts diagram

Spoke/nipple

Part #049506

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

Bicycle Brake Shoe Set 104002
#34

Unit parts diagram

Bicycle brake shoe set

Part #104002

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

Chain W/link 072007
#21

Unit parts diagram

Chain w/link

Part #072007

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

Ft Sprkt 44t 068002
#20

Unit parts diagram

Ft sprkt 44t

Part #068002

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for bottom-mount refrigerators

How to Replace the Water Filter in a GE Profile Refrigerator

How to Replace the Water Filter in a GE Profile Refrigerator

No matter what style GE Profile refrigerator you have, we can walk you through replacing the water filter.…

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…