Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Craftsman
Lawn & Garden Engine

Model # 143945500 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143945500 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 149 parts  |
Starter 590694
#390

4 cycle engine diagram

Starter

Part #590694

Replaced by #590785

?
Manufacturer substitution
This part replaces 590694. Substitute parts can look different from the original.
BEST SELLER
$30.41 | 
16% OFF Phone Price : $36.41
In Stock
Starter 590686
#1-13

Starter 590686 (71/143) diagram

Starter

Part #590686

Replaced by #590785

?
Manufacturer substitution
This part replaces 590686. Substitute parts can look different from the original.
BEST SELLER
$30.41 | 
16% OFF Phone Price : $36.41
In Stock
Lamination 34443A
#100

4 cycle engine diagram

Lamination

Part #34443A

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
BEST SELLER
$44.16 | 
12% OFF Phone Price : $50.16
In Stock
Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

4 cycle engine diagram

Troybilt 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
Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
#12

Starter 590686 (71/143) diagram

Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)

Part #590535

BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Line 34357
#290

4 cycle engine diagram

Line

Part #34357

Replaced by #29774

?
Manufacturer substitution
This part replaces 34357. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.99 | 
14% OFF Phone Price : $6.99
In Stock
Washer 632673
#33

Carburetor 632671 (71/143) diagram

Washer

Part #632673

Replaced by #27110A

?
Manufacturer substitution
This part replaces 632673. 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
Troybilt Lawn & Garden Equipment Engine Carburetor O-ring 632547
Troybilt lawn & garden equipment engine carburetor o-ring

Part #632547

This item is not returnable
$3.64 | 
22% OFF Phone Price : $4.64
In Stock
Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

4 cycle engine diagram

Troybilt lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24 | 
16% OFF Phone Price : $6.24
In Stock
Lawn & Garden Equipment Engine Air Filter Housing Gasket 36048
#239

4 cycle engine diagram

Lawn & garden equipment engine air filter housing gasket

Part #36048

This item is not returnable
$3.60 | 
22% OFF Phone Price : $4.60
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Read more
Repair difficulty
Time required
 30 minutes or less

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

View all
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.…

Read more
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.…

Read more

Parts & More