Craftsman
Lawn & Garden Engine

Model # 143712042 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143712042 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 176 parts  |

Lawn Mower O-ring 631028
#25

Replacement parts diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

?
Manufacturer substitution
This part replaces 631028. 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
Spark Plug 33636
#53

Replacement parts diagram

Spark plug

Part #33636

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 33636. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80
17% OFF Phone Price : $5.80
In Stock
Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#137

Replacement parts diagram

Generac 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
Float 632019
#14

Replacement parts diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
Back Order
Lauson Lawn & Garden Equipment Engine Fuel Line (replaces 30241, 430217, 503-1199, 503-1577, Tc-30962) 30962
#72

Replacement parts diagram

Lauson lawn & garden equipment engine fuel line (replaces 30241, 430217, 503-1199, 503-1577, tc-30962)

Part #30962

This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#16

Replacement parts diagram

Troybilt lawn & garden equipment engine carburetor float bowl (replaces 631025, 632808)

Part #631867

This item is not returnable
$3.49
22% OFF Phone Price : $4.49
In Stock
Screw 30688
#67

Replacement parts diagram

Screw

Part #30688

Replaced by #30063

?
Manufacturer substitution
This part replaces 30688. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Screw 28942
#58

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
Troybilt Lawn & Garden Equipment Engine Welch Plug (replaces 53-005) 631027
#11

Replacement parts diagram

Troybilt lawn & garden equipment engine welch plug (replaces 53-005)

Part #631027

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Carburetor Float Pin 631022
#13

Replacement parts diagram

Lawn & garden equipment engine carburetor float pin

Part #631022

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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.…