Craftsman
Lawn & Garden Engine

Model # 143770022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143770022 4-cycle engine, as well as links to manuals and error code tables, if available.

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Showing 10 of 198 parts  |

Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#158

Engine diagram

Troybilt lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24
16% OFF Phone Price : $6.24
In Stock
Tractor Accessories Lawn & Garden Equipment Engine Starter Assembly 33835
Tractor accessories lawn & garden equipment engine starter assembly

Part #33835

$227.69
5% OFF Phone Price : $239.69
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Oil Fill Plug Gasket 29673
#140

Engine diagram

Cook top side trim kit lawn & garden equipment engine oil fill plug gasket

Part #29673

This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Connecting Rod Bolt 32610A
#96

Engine diagram

Troybilt lawn & garden equipment connecting rod bolt

Part #32610A

This item is not returnable
In Stock
Lauson Lawn & Garden Equipment Engine Screw 650597
#68

Engine diagram

Lauson lawn & garden equipment engine screw

Part #650597

This item is not returnable
In Stock
Housing 33847
#10

Starter motor diagram

Housing

Part #33847

Replaced by #33-716

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Manufacturer substitution
This part replaces 33847. Substitute parts can look different from the original.
This item is not returnable
$214.33
5% OFF Phone Price : $226.33
In Stock
Gasket 33515
#50

Engine diagram

Gasket

Part #33515

Replaced by #33515A

?
Manufacturer substitution
This part replaces 33515. Substitute parts can look different from the original.
This item is not returnable
In Stock
Tractor Accessories End Cap 33852
#16

Starter motor diagram

Tractor accessories end cap

Part #33852

In Stock
Insulator 34685
#19

Starter motor diagram

Insulator

Part #34685

This item is not returnable
In Stock
Lauson Bushing 31966
#67

Engine diagram

Lauson bushing

Part #31966

This item is not returnable
In Stock

Symptoms for gas snowblowers

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

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

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

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

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

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

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

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 replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

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?

What are the main components of a lawn mower?

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