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 # 143943071 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143943071 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 96 parts  |
Lawn Mower O-ring 631028
#29

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
Back Order
Lawn & Garden Equipment Engine Fuel Line (replaces 32180, 32180a, 32180b, 500236, Tc-32180c) 32180C
#351

Replacement parts diagram

Lawn & garden equipment engine fuel line (replaces 32180, 32180a, 32180b, 500236, tc-32180c)

Part #32180C

BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
Back Order
Float 632019
#28

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
In Stock
Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

Replacement parts 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
Troybilt Carburetor Float 631024
#27

Replacement parts diagram

Troybilt carburetor float

Part #631024

This item is not returnable
$2.16
In Stock
Lawn & Garden Equipment Engine Recoil Starter Handle (replaces 590443, 590452) 590701
#13

Starter 590652 (71/143) diagram

Lawn & garden equipment engine recoil starter handle (replaces 590443, 590452)

Part #590701

This item is not returnable
$7.80 | 
11% OFF Phone Price : $8.80
In Stock
Primer 570629A
#350

Replacement parts diagram

Primer

Part #570629A

Replaced by #570629B

?
Manufacturer substitution
This part replaces 570629A. Substitute parts can look different from the original.
This item is not returnable
$11.80
In Stock
Carburetor Lawn & Garden Equipment Engine Gasket 27554
#33

Replacement parts diagram

Carburetor lawn & garden equipment engine gasket

Part #27554

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
Back Order
Troybilt Lawn & Garden Equipment Washer 650815
#92

Replacement parts diagram

Troybilt lawn & garden equipment washer

Part #650815

This item is not returnable
$2.16
In Stock
Lawn & Garden Equipment Engine Piston Kit 310283A
#41

Replacement parts diagram

Lawn & garden equipment engine piston kit

Part #310283A

$29.89
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a range relay control board

How to replace a range relay control board

Follow these instructions to replace the relay control board if it isn't responding to signals from the microprocessor d…

Read more
Repair difficulty
Time required
 45 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