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
Sears
Cycling

Model # 512878171 Official Sears 16" sidewalk bicycle

Here are the diagrams and repair parts for Official Sears 512878171 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 48 parts  |
Handlebars (bmx) 3/4" 74-29283
#1

Replacement parts diagram

Handlebars (bmx) 3/4"

Part #74-29283

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

Washer 3780A-665
#5

Replacement parts diagram

Washer

Part #3780A-665

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

Fork Asm 74-27026
#11

Replacement parts diagram

Fork asm

Part #74-27026

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

Fender 241-925
#8

Replacement parts diagram

Fender

Part #241-925

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

Hub Cover 241-1629
#14

Replacement parts diagram

Hub cover

Part #241-1629

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

(a-7) Top Bar Brackets N/P
(a-7) top bar brackets

Part #N/P

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

Retainer 219-127A
#31

Replacement parts diagram

Retainer

Part #219-127A

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

Collar Set Screw 216-3066A
#4

Replacement parts diagram

Collar set screw

Part #216-3066A

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

Fastener 241-683
#58

Replacement parts diagram

Fastener

Part #241-683

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

Mag Wheel 241-12160
#12

Replacement parts diagram

Mag wheel

Part #241-12160

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

Repair guides for rear-tine tillers

How to replace a tiller drive belt

How to replace a tiller drive belt

The drive belt connects the engine to the transmission, which drives the tines and wheels. If the drive belt is worn an…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the tines on a rear-tine tiller

How to replace the tines on a rear-tine tiller

Badly worn tines cut through the soil less effectively. If the tines are bent, dull or worn, follow these steps to repla…

Read more
Repair difficulty
Time required
 30 minutes or less

Articles and videos for rear-tine tillers

Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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
Rear-tine tiller troubleshooting tips - wheels and tines

Rear-tine tiller troubleshooting tips - wheels and tines

See what to check if you're having a problem with the tines and wheels on a rear-tine tiller.…

Read more

Parts & More