Craftsman
Lawn & Garden Engine

Model # 143505011 Official Craftsman 4-cycle gas engine

Here are the diagrams and repair parts for Official Craftsman 143505011 4-cycle gas 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 228 parts  |

Screw 28820
#83

Basic engine diagram

Screw

Part #28820

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

Pin 20810
#10

Basic engine diagram

Pin

Part #20810

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

Nut 28264
#20

Basic engine diagram

Nut

Part #28264

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

Hex Head Cap Screw, 1/4-28 X 7/8-in 6201
#84

Basic engine diagram

Hex head cap screw, 1/4-28 x 7/8-in

Part #6201

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

Intake Valve 27877
#5

Basic engine diagram

Intake valve

Part #27877

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

Bushing 28562
#53

Basic engine diagram

Bushing

Part #28562

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

Base Engine 29538
#100

Basic engine diagram

Base engine

Part #29538

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

Clip 27793
#91

Basic engine diagram

Clip

Part #27793

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

Gasket 27913
#87

Basic engine diagram

Gasket

Part #27913

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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

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.…

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.…