Craftsman
Lawn & Garden Engine

Model # 143622102 Official Craftsman 12-hp engine

Here are the diagrams and repair parts for Official Craftsman 143622102 12-hp 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 198 parts  |

Fuel Line 29774
#137

Basic engine diagram

Fuel line

Part #29774

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

Gasket 27110
#20

Carburetor diagram

Gasket

Part #27110

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

Valve 32961
#142

Basic engine diagram

Valve

Part #32961

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

Washer 30590A
#107

Basic engine diagram

Washer

Part #30590A

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

/carb Float 27105
#14

Carburetor diagram

/carb float

Part #27105

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

Spring 32096
#27

Carburetor diagram

Spring

Part #32096

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

Camshaft 32150
#21

Basic engine diagram

Camshaft

Part #32150

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

Spring 27113
#5

Carburetor diagram

Spring

Part #27113

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

Shim Gasket 31970
#80

Basic engine diagram

Shim gasket

Part #31970

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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.

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.…

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What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…