Craftsman
Lawn & Garden Engine

Model # 143604042 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143604042 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 170 parts  |

Primer Line 32180
#128

Basic engine diagram

Primer line

Part #32180

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

Clamp 32973
#81

Basic engine diagram

Clamp

Part #32973

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

Repair Kit 630974
#25

Replacement parts diagram

Repair kit

Part #630974

Replaced by #631893A

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Manufacturer substitution
This part replaces 630974. Substitute parts can look different from the original.
In Stock
Cover 610118
#122

Basic engine diagram

Cover

Part #610118

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

Primer Body 32184
#127

Basic engine diagram

Primer body

Part #32184

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

Retainer 32312
#130

Basic engine diagram

Retainer

Part #32312

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

Primer Bulb 32183
#126

Basic engine diagram

Primer bulb

Part #32183

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

Primer Assembly 32182
#125

Basic engine diagram

Primer assembly

Part #32182

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

Element 31410
#40

Basic engine diagram

Element

Part #31410

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

Spring Retainer 630731
#2

Replacement parts diagram

Spring retainer

Part #630731

Replaced by #631767

?
Manufacturer substitution
This part replaces 630731. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock

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.…