Craftsman
Lawn & Garden Engine

Model # 143577032 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143577032 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 187 parts  |

O-ring 631028
#25

Carburetor no. 631063a diagram

O-ring

Part #631028

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

Needl/seat 631021
#12

Carburetor no. 631063a diagram

Needl/seat

Part #631021

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

Breather Element Air Filter 28424
#40

Basic engine diagram

Breather element air filter

Part #28424

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

/carb Float 631023
#14

Carburetor no. 631063a diagram

/carb float

Part #631023

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

/fuel Bowl 631025
#16

Carburetor no. 631063a diagram

/fuel bowl

Part #631025

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

Spring Retainer 630731
#2

Carburetor no. 631063a diagram

Spring retainer

Part #630731

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

/fuel Clamp 26460
#78

Basic engine diagram

/fuel clamp

Part #26460

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

Screw 28820
#88

Basic engine diagram

Screw

Part #28820

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

Fitting 31838
#26

Carburetor no. 631063a diagram

Fitting

Part #31838

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

Gasket Set 31382
#169

Basic engine diagram

Gasket set

Part #31382

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

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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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