Craftsman
Lawn & Garden Engine

Model # 143171022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143171022 4-cycle engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 160 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

Plug 27625
#31

Basic engine diagram

Plug

Part #27625

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

Thrtle Sprng 631279
#2

Carburetor no. 630986 diagram

Thrtle sprng

Part #631279

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

/gvnr Clamp 31335
#36

Basic engine diagram

/gvnr clamp

Part #31335

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

Diap/gaskt 630978
#22

Carburetor no. 630986 diagram

Diap/gaskt

Part #630978

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

Ring 20381
#16

Basic engine diagram

Ring

Part #20381

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

Dog Sprng Rh 590412
#5

Rewind starter no. 590420 diagram

Dog sprng rh

Part #590412

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

Washer 630739
#12

Carburetor no. 630986 diagram

Washer

Part #630739

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

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv...

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif...

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan...

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub...

Repair guides for gas grills

These step-by-step repair guides will help you safely fix what’s broken on your gas grill.

How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner....

Repair difficulty
Time required
15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. ...

Repair difficulty
Time required
15 minutes or less
How to replace a gas grill burner

How to replace a gas grill burner

Replace a damaged burner on your gas grill in less than 15 minutes and with just pliers and a screwdriver for tools....

Repair difficulty
Time required
15 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your gas grill.

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....

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What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts....