Craftsman
Lawn & Garden Engine

Model # 143578052 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143578052 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 206 parts  |

/fuel Clamp 26460
#71

Basic engine diagram

/fuel clamp

Part #26460

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

Screw 28403
#65

Basic engine diagram

Screw

Part #28403

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

/carb Float 27105
#14

Carburetor no. 631257 diagram

/carb float

Part #27105

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

Screw 28547
#77

Basic engine diagram

Screw

Part #28547

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

/intke Gaskt 31960
#111

Basic engine diagram

/intke gaskt

Part #31960

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

Washer 8345
#155

Basic engine diagram

Washer

Part #8345

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

Bolt 32077
#18

Basic engine diagram

Bolt

Part #32077

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

Spring 27114
#8

Carburetor no. 631257 diagram

Spring

Part #27114

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

Roll Bearing 31932
#78

Basic engine diagram

Roll bearing

Part #31932

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

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Repair guides for gas line trimmers

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

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

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 grass line trimmer.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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