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
Craftsman
Lawn & Garden Engine

Model # 143103021 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143103021 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 224 parts  |
Element 27233
#54

Basic engine diagram

Element

Part #27233

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

Gear Assembly 30117
#33

Basic engine diagram

Gear assembly

Part #30117

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

Valve Kit 29314
#5

Basic engine diagram

Valve kit

Part #29314

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 630750
#21

Carburetor no. 30119 (power products #0234-14) 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

Gasket 630742
#19

Carburetor no. 30119 (power products #0234-14) diagram

Gasket

Part #630742

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

Spring 630766
#5

Carburetor no. 30119 (power products #0234-14) diagram

Spring

Part #630766

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

/top Seal 29183
#4

Basic engine diagram

/top seal

Part #29183

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

Symptoms for upright freezers

Why does my freezer have a sheet of ice at the bottom?

Main causes: clogged or frozen defrost drain tube...

Read more

Repair guides for upright freezers

How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r...

Read more
Repair difficulty
Time required
15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo...

Read more
Repair difficulty
Time required
45 minutes or less
How to replace a freezer evaporator fan

How to replace a freezer evaporator fan

Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t...

Read more
Repair difficulty
Time required
45 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