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
Craftsman
Lawn & Garden Engine

Model # 143102121 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143102121 4-cycle engine, 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 209 parts  |
Plug Cover 27276
#118

Basic engine diagram

Plug cover

Part #27276

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

Element 27233
#54

Basic engine diagram

Element

Part #27233

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

Drain Plug 27244
#28

Basic engine diagram

Drain plug

Part #27244

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

Gear Assembly 30117
#33

Basic engine diagram

Gear assembly

Part #30117

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

Tube 27627
#58

Basic engine diagram

Tube

Part #27627

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

Shaft 29194
#32

Basic engine diagram

Shaft

Part #29194

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

Gasket 28833
#27

Basic engine diagram

Gasket

Part #28833

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

Gasket 630750
#21

Carburetor no.30119 (power products) diagram

Gasket

Part #630750

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

Spool 30116
#35

Basic engine diagram

Spool

Part #30116

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

Spring 630766
#5

Carburetor no.30119 (power products) diagram

Spring

Part #630766

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
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…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

View all
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
What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Read more

Parts & More