Craftsman
Lawn & Garden Engine

Model # 143640091 Official Craftsman carburetor

Here are the diagrams and repair parts for Official Craftsman 143640091 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 28 parts  |

Needle Seat 631021
#30

Replacement parts 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
Back Order
Troybilt Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#(NI)

Replacement parts diagram

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

Part #632760B

BEST SELLER
$23.60
20% OFF Phone Price : $29.60
In Stock
Gasket 27110
#44

Replacement parts diagram

Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. 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
#37

Replacement parts diagram

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
Lawn & Garden Equipment Engine Carburetor Fuel Inlet Fitting 632527
#16

Replacement parts diagram

Lawn & garden equipment engine carburetor fuel inlet fitting

Part #632527

This item is not returnable
$9.59
9% OFF Phone Price : $10.59
In Stock
Troybilt Carburetor Float 631024
#27

Replacement parts diagram

Troybilt carburetor float

Part #631024

This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Engine Welch Plug 630748
#47

Replacement parts diagram

Troybilt lawn & garden equipment engine welch plug

Part #630748

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

Replacement parts diagram

Troybilt lawn & garden equipment engine tension spring

Part #630766

This item is not returnable
In Stock
Cap 640053
#20A

Replacement parts diagram

Cap

Part #640053

The manufacturer no longer makes this part, and there's no substitute part

Lauson Spring Retainer 631970
#2

Replacement parts diagram

Lauson spring retainer

Part #631970

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.…