Craftsman
Lawn & Garden Engine

Model # 143640129 Official Craftsman carburetor

Here are the diagrams and repair parts for Official Craftsman 143640129 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  |

Gasket 27110
#44

Carburetor 640129 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
Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#25

Carburetor 640129 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 Engine Carburetor Nozzle 640113
#36

Carburetor 640129 diagram

Lawn & garden equipment engine carburetor nozzle

Part #640113

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Screw 650506
#7

Carburetor 640129 diagram

Lawn & garden equipment engine screw

Part #650506

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

Carburetor 640129 diagram

Lawn & garden equipment engine tension spring

Part #630766

This item is not returnable
In Stock
Lawn & Garden Equipment Screw 640027
#20

Carburetor 640129 diagram

Lawn & garden equipment screw

Part #640027

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

Carburetor 640129 diagram

Cap

Part #640053

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

Shutter 640109
#6

Carburetor 640129 diagram

Shutter

Part #640109

In Stock
Fuel Jet 632457
#37

Carburetor 640129 diagram

Fuel jet

Part #632457

In Stock
Spring Retainer 631970
#2

Carburetor 640129 diagram

Spring retainer

Part #631970

This item is not returnable
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: punctured tire, damaged rim…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to replace snowblower skid shoes

How to replace snowblower skid shoes

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy re…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower electric starter

How to replace a snowblower electric starter

Replace the electric starter on your snowblower if it doesn't work.…

Repair difficulty
Time required
 15 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your snowblower.

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.…