Craftsman
Lawn & Garden Engine

Model # 143754142 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143754142 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 140 parts  |

Spark Plug 33636
#37

Solid state ignition 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
Spark Plug 34251
#37A

Solid state ignition diagram

Spark plug

Part #34251

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 34251. 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
Lamination 34443A
#28

Solid state ignition diagram

Lamination

Part #34443A

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
BEST SELLER
$45.43
12% OFF Phone Price : $51.43
In Stock
Carburetor 632107
#163

Solid state ignition diagram

Carburetor

Part #632107

Replaced by #640084B

?
Manufacturer substitution
This part replaces 632107. Substitute parts can look different from the original.
BEST SELLER
$85.18
7% OFF Phone Price : $91.18
In Stock
Troybilt Lawn & Garden Equipment Engine Oil Seal 27897
#24

Solid state ignition diagram

Troybilt lawn & garden equipment engine oil seal

Part #27897

This item is not returnable
$7.02
12% OFF Phone Price : $8.02
In Stock
Generac Lawn & Garden Equipment Engine Service Manual (replaces 692509, 730546, 740048) 740049

#NI

All parts diagram

Generac lawn & garden equipment engine service manual (replaces 692509, 730546, 740048)

Part #740049

This item is not returnable
$12.19
14% OFF Phone Price : $14.19
In Stock
Screw 30688
#146

Solid state ignition 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
#156

Solid state ignition diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Head Gasket 33554
#32

Solid state ignition diagram

Head gasket

Part #33554

Replaced by #36443

?
Manufacturer substitution
This part replaces 33554. Substitute parts can look different from the original.
This item is not returnable
$6.59
13% OFF Phone Price : $7.59
In Stock
Generac Lawn & Garden Equipment Engine Governor Control Lever Clamp 31335
#139

Solid state ignition diagram

Generac lawn & garden equipment engine governor control lever clamp

Part #31335

This item is not returnable
In Stock

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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.…