Craftsman
Lawn & Garden Engine

Model # 143640051 Official Craftsman carburetor

Here are the diagrams and repair parts for Official Craftsman 143640051 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 29 parts  |

Lawn Mower O-ring 631028
#29

Carburetor 640051 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
Needle Seat 631021
#30

Carburetor 640051 diagram

Needle seat

Part #631021

Replaced by #631021B

?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.79
9% OFF Phone Price : $10.79
In Stock
Float 632019
#28

Carburetor 640051 diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#25

Carburetor 640051 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
Carburetor 640051
#0

Carburetor 640051 diagram

Carburetor

Part #640051

Replaced by #640112

?
Manufacturer substitution
This part replaces 640051. Substitute parts can look different from the original.
$96.19
11% OFF Phone Price : $108.19
In Stock
Lauson Spring 632043
#11

Carburetor 640051 diagram

Lauson spring

Part #632043

This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Engine Fuel Line Connector 632164
#16

Carburetor 640051 diagram

Troybilt lawn & garden equipment engine fuel line connector

Part #632164

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Carburetor Float Pin 631022
#31

Carburetor 640051 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 Throttle Shaft Seal 631183
Lawn & garden equipment engine throttle shaft seal

Part #631183

This item is not returnable
In Stock
Lawn & Garden Equipment Screw 640016
#20

Carburetor 640051 diagram

Lawn & garden equipment screw

Part #640016

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.…