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Craftsman
Lawn & Garden Engine

Model # 143103020 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143103020 4-cycle engine, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 224 parts  |
Fuel Line 30120
#114

Basic engine diagram

Fuel line

Part #30120

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

Element 27233
#54

Basic engine diagram

Element

Part #27233

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

Screw 28820
#90

Basic engine diagram

Screw

Part #28820

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

Valve Kit 29314
#5

Basic engine diagram

Valve kit

Part #29314

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

Chmp J8 Plug 21943
#51

Basic engine diagram

Chmp j8 plug

Part #21943

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

Shaft 29194
#32

Basic engine diagram

Shaft

Part #29194

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

Gasket 630750
#21

Carburetor no. 30119 (power products #0234-14) diagram

Gasket

Part #630750

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

Gasket 630742
#19

Carburetor no. 30119 (power products #0234-14) diagram

Gasket

Part #630742

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

Spring 630766
#5

Carburetor no. 30119 (power products #0234-14) diagram

Spring

Part #630766

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

Screw 28403
#62

Basic engine diagram

Screw

Part #28403

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

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

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Why your window AC compressor is not turning on?

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

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Why won't water draining from my window air conditioner?

Main causes: clogged drain hole, air conditioner not leveled properly…

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Why is water leaking into the house from my window air conditioner?

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

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Why are my window air conditioner's evaporator fins iced up?

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

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Why does my window air conditioner's compressor hum but not work?

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

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Why won't my window air conditioner start?

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

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Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

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How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

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Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner condenser fan

How to replace a window air conditioner condenser fan

If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by…

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Repair difficulty
Time required
 90 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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