Craftsman
Lawn & Garden Engine

Model # 143724042 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143724042 4-cycle engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 159 parts  |

Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#119

Replacement parts diagram

Lawn & garden equipment engine fuel line clamp

Part #26460

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

?
Manufacturer substitution
This part replaces 590386. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#118

Replacement parts diagram

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

Part #29774

BEST SELLER
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock
Lawn & Garden Equipment Engine Oil Seal 32600
#4

Replacement parts diagram

Lawn & garden equipment engine oil seal

Part #32600

This item is not returnable
$7.59
12% OFF Phone Price : $8.59
In Stock
Lawn & Garden Equipment Engine Screw 28942
#100

Replacement parts diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Breather Filter 31410
#40

Replacement parts diagram

Lawn & garden equipment engine breather filter

Part #31410

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Carburetor O-ring 630740
#13

Carburetor diagram

Lawn & garden equipment engine carburetor o-ring

Part #630740

This item is not returnable
$3.64
23% OFF MSRP : $4.70
In Stock
Spring Retainer 630731
#2

Carburetor diagram

Spring retainer

Part #630731

Replaced by #631767

?
Manufacturer substitution
This part replaces 630731. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Gasket 27677
#26

Replacement parts diagram

Gasket

Part #27677

Replaced by #27677A

?
Manufacturer substitution
This part replaces 27677. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Engine Self-tapping Screw 30200
#125

Replacement parts diagram

Lawn & garden equipment engine self-tapping screw

Part #30200

This item is not returnable
In Stock

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.…