Sears
Cycling

Model # 512878881 Official Sears 18" sidewalk bicycle

Here are the diagrams and repair parts for Official Sears 512878881 18" sidewalk 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 41 parts  |

Link Cover STD316659

#55

All parts diagram

Link cover

Part #STD316659

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

Lock Nut STD541410

#23

All parts diagram

Lock nut

Part #STD541410

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

Washer STD551037

#79

All parts diagram

Washer

Part #STD551037

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

Pad & Cvr 219-1647

#60

All parts diagram

Pad & cvr

Part #219-1647

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

Seat 221-753

#44

All parts diagram

Seat

Part #221-753

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

Screw STD601103

#21

All parts diagram

Screw

Part #STD601103

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

Chain STD316650

#32

All parts diagram

Chain

Part #STD316650

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

Handlebar 219-380

#1

All parts diagram

Handlebar

Part #219-380

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

Push Cap 241-603

#4

All parts diagram

Push cap

Part #241-603

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

Spacer 241-514

#15

All parts diagram

Spacer

Part #241-514

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

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

Main causes: clogged drain hole, air conditioner not leveled properly…

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

Repair guides for window air conditioners

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

How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

Repair difficulty
Time required
 30 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for window air conditioners

Use the advice and tips in these articles and videos to get the most out of your window air conditioner.

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.…

Prep your AC for summer video

Prep your AC for summer video

5 things to do to your central AC before it gets hot.…

Room air conditioner installation and operation tips

Room air conditioner installation and operation tips

Window air conditioner installation tips.…