Craftsman
Lawn & Garden Engine

Model # 143641052 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143641052 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 166 parts  |

Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

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Manufacturer substitution
This part replaces 590386. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#119

Replacement parts diagram

Lawn & garden equipment engine fuel line clamp

Part #26460

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Lawn & Garden Equipment Engine Screw 28942
#92

Replacement parts diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
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Lawn & Garden Equipment Engine Breather Filter 31410
#40

Replacement parts diagram

Lawn & garden equipment engine breather filter

Part #31410

This item is not returnable
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Lawn & Garden Equipment Engine Governor Control Lever Clamp 31335
#94

Replacement parts diagram

Lawn & garden equipment engine governor control lever clamp

Part #31335

This item is not returnable
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Spring Retainer 630731
#2

Carburetor diagram

Spring retainer

Part #630731

Replaced by #631767

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Manufacturer substitution
This part replaces 630731. Substitute parts can look different from the original.
This item is not returnable
$2.49
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Lawn & Garden Equipment Engine Governor Spool 30588A
#109

Replacement parts diagram

Lawn & garden equipment engine governor spool

Part #30588A

This item is not returnable
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Governor Shaft 30574
#106

Replacement parts diagram

Governor shaft

Part #30574

Replaced by #30574A

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Manufacturer substitution
This part replaces 30574. Substitute parts can look different from the original.
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Intake Valve 29314A
#5A

Replacement parts diagram

Intake valve

Part #29314A

Replaced by #29314C

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Manufacturer substitution
This part replaces 29314A. Substitute parts can look different from the original.
This item is not returnable
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Breather Gasket 27272
#77

Replacement parts diagram

Breather gasket

Part #27272

Replaced by #27272A

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Manufacturer substitution
This part replaces 27272. Substitute parts can look different from the original.
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$3.64
23% OFF MSRP : $4.70
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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.…