Craftsman
Lawn & Garden Engine

Model # 143531052 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143531052 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 171 parts  |

Rope 30337
#9

Rewind starter diagram

Rope

Part #30337

Replaced by #590535

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Manufacturer substitution
This part replaces 30337. Substitute parts can look different from the original.
BEST SELLER
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$2.49
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Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#118

Basic engine diagram

Generac lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

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$5.99
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Spring Retainer 630731
#2

Carburetor no. 630989 diagram

Spring retainer

Part #630731

Replaced by #631767

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Manufacturer substitution
This part replaces 630731. Substitute parts can look different from the original.
This item is not returnable
$2.49
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Generac Lawn & Garden Equipment Engine Nut 29752
#89

Basic engine diagram

Generac lawn & garden equipment engine nut

Part #29752

This item is not returnable
In Stock
Lauson Lawn & Garden Equipment Engine Carburetor Diaphragm 630978
#22

Carburetor no. 630989 diagram

Lauson lawn & garden equipment engine carburetor diaphragm

Part #630978

This item is not returnable
$6.79
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Generac Lawn & Garden Equipment Engine Governor Control Lever Clamp 31335
#94

Basic engine diagram

Generac lawn & garden equipment engine governor control lever clamp

Part #31335

This item is not returnable
In Stock
Screw 650176
#48

Basic engine diagram

Screw

Part #650176

Replaced by #650451

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Manufacturer substitution
This part replaces 650176. Substitute parts can look different from the original.
This item is not returnable
In Stock
Condenser 30548
#15

Magneto no. 610690 diagram

Condenser

Part #30548

Replaced by #30548B

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Manufacturer substitution
This part replaces 30548. Substitute parts can look different from the original.
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Screw 28578
#92

Basic engine diagram

Screw

Part #28578

Replaced by #28942

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Manufacturer substitution
This part replaces 28578. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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Screw 28820
#80

Basic engine diagram

Screw

Part #28820

Replaced by #651081

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Manufacturer substitution
This part replaces 28820. Substitute parts can look different from the original.
This item is not returnable
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Symptoms for water softeners

Choose a symptom to see related water softener repairs.

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

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

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

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

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: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

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

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.…