Craftsman
Lawn & Garden Engine

Model # 143579082 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143579082 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 159 parts  |

Plug Cover 27276
#114

Basic engine diagram

Plug cover

Part #27276

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

Tube 27627
Tube

Part #27627

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

Start Pulley 31980
#95

Basic engine diagram

Start pulley

Part #31980

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

/gvnr Link 31968
#42

Basic engine diagram

/gvnr link

Part #31968

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

Gasket Set 31993
#166

Basic engine diagram

Gasket set

Part #31993

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

Camshaft Assembly 32116
#21

Basic engine diagram

Camshaft assembly

Part #32116

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

Shim Gasket 31970
#80

Basic engine diagram

Shim gasket

Part #31970

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

Bushing 31966
#103

Basic engine diagram

Bushing

Part #31966

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

Nut 650129
#66

Basic engine diagram

Nut

Part #650129

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

/gskt Brther 31958
#98

Basic engine diagram

/gskt brther

Part #31958

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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 walk-behind lawn mower.

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.…