Craftsman
Lawn & Garden Engine

Model #143577012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Craftsman 143577012 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.

Search within this model
Parts List

Showing 10 of 208 parts

/carb Float#14

Carburetor no. 631063a 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

Fuel Line#118

Basic engine Diagram

Fuel line

Part #30962

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

Gasket#18

Carburetor no. 631063a Diagram

Gasket

Part #27554

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

Screw#88

Basic engine Diagram

Screw

Part #28820

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

Clip#13

Carburetor no. 631063a Diagram

Clip

Part #631022

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

Spring#8

Carburetor no. 631063a Diagram

Spring

Part #630735

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

Governor Gear Assembly#107

Basic engine Diagram

Governor gear assembly

Part #30591

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

Spring Retainer#2

Carburetor no. 631063a Diagram

Spring retainer

Part #630731

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

/gov Clamp#165

Basic engine Diagram

/gov clamp

Part #29916

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 07, 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.