Craftsman
Lawn & Garden Engine

Model # 143572052 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143572052 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 194 parts  |

Tube 27627
Tube

Part #27627

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

/carb Float 27105
#14

Carburetor no. 631251 diagram

/carb float

Part #27105

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

Camshaft 32245
#21

Basic engine diagram

Camshaft

Part #32245

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

Gasket 27554
#25

Carburetor no. 631251 diagram

Gasket

Part #27554

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

Gasket Set 31993A
#166

Basic engine diagram

Gasket set

Part #31993A

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

Repair Kit 32256
#28

Carburetor no. 631251 diagram

Repair kit

Part #32256

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

/ex Valve 31942
#6

Basic engine diagram

/ex valve

Part #31942

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

Nut 650129
#66

Basic engine diagram

Nut

Part #650129

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.…