Craftsman
Lawn & Garden Engine

Model # 143524021 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143524021 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 176 parts  |

Governor Gear Assembly 30591
#107

Basic engine diagram

Governor gear assembly

Part #30591

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

Tube 27627
#44

Basic engine diagram

Tube

Part #27627

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

/gvnr Shaft 30574
#106

Basic engine diagram

/gvnr shaft

Part #30574

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

Spacer 28277
#67

Basic engine diagram

Spacer

Part #28277

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

Gasket 27554
#25

Carburetor diagram

Gasket

Part #27554

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

/gov Clamp 29916
#139

Basic engine diagram

/gov clamp

Part #29916

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

Hex Head Cap Screw, 1/4-28 X 7/8-in 6201
#84

Basic engine diagram

Hex head cap screw, 1/4-28 x 7/8-in

Part #6201

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

Bushing 29530
#142

Basic engine diagram

Bushing

Part #29530

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

Needle 30724
#7

Carburetor diagram

Needle

Part #30724

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

Spring 27113
#5

Carburetor diagram

Spring

Part #27113

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

Symptoms for gas snowblowers

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Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Repair guides for gas snowblowers

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

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How to replace snowblower skid shoes

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy re…

Repair difficulty
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 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower electric starter

How to replace a snowblower electric starter

Replace the electric starter on your snowblower if it doesn't work.…

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 snowblower.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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