Craftsman
Lawn & Garden Engine

Model # 143559012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143559012 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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ALL PARTS
Showing 10 of 181 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

Screw 30564
#32

Basic engine diagram

Screw

Part #30564

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

/carb Float 27105
#14

Carburetor no. 631157 diagram

/carb float

Part #27105

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

Nut 28264
#20

Basic engine diagram

Nut

Part #28264

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

Needle 27112
#7

Carburetor no. 631157 diagram

Needle

Part #27112

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

Fuel Tnk Bkt 31978
#61

Basic engine diagram

Fuel tnk bkt

Part #31978

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

Ring Set 32005
#15A

Basic engine diagram

Ring set

Part #32005

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: dirty carburetor, stale fuel…

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

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

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

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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

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

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Repair guides for gas snowblowers

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

How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

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 snowblower.

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.…