Craftsman
Lawn & Garden Engine

Model #143576122 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Craftsman 143576122 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.

Showing 10 of 189 parts

Needl/seat#12

Carburetor Diagram

Needl/seat

Part #631021

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

O-Ring#25

Carburetor Diagram

O-ring

Part #631028

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

Gasket#21

Carburetor Diagram

Gasket

Part #27110

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

/carb Float#14

Carburetor Diagram

/carb float

Part #631023

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

Breather Element Air Filter#40

Basic engine Diagram

Breather element air filter

Part #28424

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

Spool#109

Basic engine Diagram

Spool

Part #30588A

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

Pipe Plug#3

Basic engine Diagram

Pipe plug

Part #27642

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

Body#90

Basic engine Diagram

Body

Part #31692

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

Screw#4

Carburetor Diagram

Screw

Part #650506

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

Washer#19

Basic engine Diagram

Washer

Part #26073

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

Articles and videos common to all lawn & garden engines

June 29, 2022

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.

June 7, 2022

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.