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 # 512478221 Official Sears 16" sidewalk bicycle

Here are the diagrams and repair parts for Official Sears 512478221 16" 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 56 parts  |
Frame 196
#19

Unit parts diagram

Frame

Part #196

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

Decal 860
#36

Unit parts diagram

Decal

Part #860

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

Tank Clamp 250
#54

Unit parts diagram

Tank clamp

Part #250

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

Nut 253
#11

Unit parts diagram

Nut

Part #253

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

Lock Washer 622
#17

Unit parts diagram

Lock washer

Part #622

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

Bearing 721
#14

Unit parts diagram

Bearing

Part #721

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

Ft Fendr 527
#9

Unit parts diagram

Ft fendr

Part #527

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

Rear Wheel 344
#35

Unit parts diagram

Rear wheel

Part #344

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

Washer 722
#15

Unit parts diagram

Washer

Part #722

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

B Hd Collar 9
#6

Unit parts diagram

B hd collar

Part #9

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

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 minutes or less

Articles and videos for front-engine lawn tractors

Should I get an electric riding mower?

Should I get an electric riding mower?

Get help deciding whether to make the switch to a battery-powered riding mower…

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