Craftsman
Lawn & Garden Engine

Model # 143640339 Official Craftsman carburetor

Here are the diagrams and repair parts for Official Craftsman 143640339 carburetor, 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 27 parts  |

Lawn Mower O-ring 631028
#29

Carburetor 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
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#60

Carburetor diagram

Lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)

Part #632760B

BEST SELLER
$23.60
17% OFF Phone Price : $28.60
In Stock
Lawn & Garden Equipment Engine Carburetor Float Bowl Washer (replaces 49-084) 27110A
#44

Carburetor diagram

Lawn & garden equipment engine carburetor float bowl washer (replaces 49-084)

Part #27110A

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#25

Carburetor diagram

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
Lawn & Garden Equipment Throttle Shaft Return Spring (replaces 630731, 631279, 631279a, 631279l, 632016) 631767
#2

Carburetor diagram

Lawn & garden equipment throttle shaft return spring (replaces 630731, 631279, 631279a, 631279l, 632016)

Part #631767

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Carburetor Float Pin 631022
#31

Carburetor 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
Lawn & Garden Equipment Engine Carburetor 640339
#0

Carburetor diagram

Lawn & garden equipment engine carburetor

Part #640339

$91.59
5% OFF Phone Price : $96.59
In Stock
Lawn & Garden Equipment Engine Throttle Shaft 631615
#1

Carburetor diagram

Lawn & garden equipment engine throttle shaft

Part #631615

This item is not returnable
$10.29
16% OFF Phone Price : $12.29
In Stock
Lawn & Garden Equipment Engine Screw 650506
#7

Carburetor diagram

Lawn & garden equipment engine screw

Part #650506

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Tension Spring 630766
#18

Carburetor diagram

Lawn & garden equipment engine tension spring

Part #630766

This item is not returnable
In Stock

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.…