Craftsman
Lawn & Garden Engine

Model # 143501091 Official Craftsman 4-cycle gas engine

Here are the diagrams and repair parts for Official Craftsman 143501091 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 199 parts  |

Fuel Line 29774
#118

Basic engine diagram

Fuel line

Part #29774

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

Plug 27625
#25

Basic engine diagram

Plug

Part #27625

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

Spring Retainer 630731
#25

Carburetor no. 30146 diagram

Spring retainer

Part #630731

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

Screw 28403
Screw

Part #28403

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

Screw 28820
#80

Basic engine diagram

Screw

Part #28820

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

Diaphragm 630749
#22

Carburetor no. 30146 diagram

Diaphragm

Part #630749

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

Ring 20381
#16

Basic engine diagram

Ring

Part #20381

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

Spring 630735
#8

Carburetor no. 30146 diagram

Spring

Part #630735

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

Washer 630739
#12

Carburetor no. 30146 diagram

Washer

Part #630739

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

Cover 630751
#23

Carburetor no. 30146 diagram

Cover

Part #630751

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.

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

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

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

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

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

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

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.

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…

Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

Repair difficulty
Time required
 30 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…

Repair difficulty
Time required
 90 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 window air conditioner.

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Top 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.…