Lawn & Garden Engine

Model # 143224302 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143224302 4-cycle engine, as well as links to manuals and error code tables, if available.

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143224302 4-Cycle Engine
Fuel Line 29774
#114

Basic engine diagram

Fuel line

Part #29774

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

Fitting 631038
#9

Replacement parts diagram

Fitting

Part #631038

Replaced by #632527

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Manufacturer substitution
This part replaces 631038. Substitute parts can look different from the original.
This item is not returnable
$9.59
9% OFF Phone Price : $10.59
In Stock
Troybilt Carburetor Float 631024
#15

Replacement parts diagram

Troybilt carburetor float

Part #631024

This item is not returnable
Back Order
Drain Plug 27244
#28

Basic engine diagram

Drain plug

Part #27244

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

Lawn & Garden Equipment Engine Carburetor Float Pin 631022
#3

Replacement parts diagram

Lawn & garden equipment engine carburetor float pin

Part #631022

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
Back Order
Carburetor Lawn & Garden Equipment Engine Gasket 27554
#8

Replacement parts diagram

Carburetor lawn & garden equipment engine gasket

Part #27554

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
Back Order
Troybilt Lawn & Garden Equipment Engine Tension Spring 630766
#21

Replacement parts diagram

Troybilt lawn & garden equipment engine tension spring

Part #630766

This item is not returnable
In Stock
Gasket 28833
#27

Basic engine diagram

Gasket

Part #28833

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

Flat Washer 650490
#106

Basic engine diagram

Flat washer

Part #650490

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

Spool 30588A
#35

Basic engine diagram

Spool

Part #30588A

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.…