Craftsman
Lawn & Garden Engine

Model # 143579012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143579012 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 197 parts  |

Gasket 27110
#20

Carburetor no. 631226 diagram

Gasket

Part #27110

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

Screw 30564
#32

Basic engine diagram

Screw

Part #30564

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

/carb Float 27105
#14

Carburetor no. 631226 diagram

/carb float

Part #27105

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

Clip 27793
#57

Basic engine diagram

Clip

Part #27793

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

Valve 31998
#13

Carburetor no. 631226 diagram

Valve

Part #31998

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

Retaining Ring 31919
#16

Basic engine diagram

Retaining ring

Part #31919

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

/gskt Flange 31956
#27

Basic engine diagram

/gskt flange

Part #31956

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

Roll Bearing 31932
#78

Basic engine diagram

Roll bearing

Part #31932

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

Shutoff Valv 29683
#156

Basic engine diagram

Shutoff valv

Part #29683

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

Bolt 32077
#18

Basic engine diagram

Bolt

Part #32077

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

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Repair difficulty
Time required
 30 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Repair difficulty
Time required
 45 minutes or less
How to replace a range relay control board

How to replace a range relay control board

Follow these instructions to replace the relay control board if it isn't responding to signals from the microprocessor d…

Repair difficulty
Time required
 45 minutes or less

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

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.…

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.…