Craftsman
Lawn & Garden Engine

Model # 143104080 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143104080 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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ALL PARTS
Showing 10 of 213 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

Screw 28403
#62

Basic engine diagram

Screw

Part #28403

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

Diaphragm 630749
#22

Carburetor no.30119 (power products) diagram

Diaphragm

Part #630749

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

Ring 20381
#16

Basic engine diagram

Ring

Part #20381

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

Washer 630739
#12

Carburetor no.30119 (power products) diagram

Washer

Part #630739

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

Cover 630751
#23

Carburetor no.30119 (power products) diagram

Cover

Part #630751

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

Gear Assembly 30117
#33

Basic engine diagram

Gear assembly

Part #30117

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

Welch Plug 630748
#15

Carburetor no.30119 (power products) diagram

Welch plug

Part #630748

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

Pipe Plug 28483
#28

Basic engine diagram

Pipe plug

Part #28483

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

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals...

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed...

Main causes: faulty brine valve assembly, bad rotor valve...

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank...

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi...

Main causes: lack of electrical power, bad power transformer, faulty timer...

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai...

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals...

Repair guides for water softeners

These step-by-step repair guides will help you safely fix what’s broken on your water softener.

How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow...

Repair difficulty
Time required
15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step...

Repair difficulty
Time required
30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus...

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 water softener.

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....