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 # 143174042 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143174042 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 183 parts  |
Fuel Line 29774
#114

Basic engine diagram

Fuel line

Part #29774

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

Thrtle Sprng 631279
#2

Carburetor no. 631243 diagram

Thrtle sprng

Part #631279

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

Muffler 30326
#120

Basic engine diagram

Muffler

Part #30326

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

/gvnr Clamp 31335
#36

Basic engine diagram

/gvnr clamp

Part #31335

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

Screw 28820
#90

Basic engine diagram

Screw

Part #28820

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

Screw 650176
#62

Basic engine diagram

Screw

Part #650176

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

Diap/gaskt 630978
#22

Carburetor no. 631243 diagram

Diap/gaskt

Part #630978

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

Ring 20381
#16

Basic engine diagram

Ring

Part #20381

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

Washer 30590A
#100

Basic engine diagram

Washer

Part #30590A

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

Washer 630739
#12

Carburetor no. 631243 diagram

Washer

Part #630739

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

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