Craftsman
Lawn & Garden Engine

Model # 143640076 Official Craftsman carburetor

Here are the diagrams and repair parts for Official Craftsman 143640076 carburetor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 26 parts  |

Lawn Mower O-ring 631028
#29

Carburetor 640076 (71/143) diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

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Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
BEST SELLER
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$2.49
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Needle Seat 631021
#30

Carburetor 640076 (71/143) diagram

Needle seat

Part #631021

Replaced by #631021B

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Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
BEST SELLER
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$9.79
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Carburetor 640076
#0

Carburetor 640076 (71/143) diagram

Carburetor

Part #640076

Replaced by #640262A

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Manufacturer substitution
This part replaces 640076. Substitute parts can look different from the original.
BEST SELLER
$80.81
7% OFF Phone Price : $86.81
In Stock
Float 632019
#28

Carburetor 640076 (71/143) diagram

Float

Part #632019

Replaced by #632019A

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

Carburetor 640076 (71/143) 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
Lawn & Garden Equipment Throttle Shaft Return Spring (replaces 630731, 631279, 631279a, 631279l, 632016) 631767
#2

Carburetor 640076 (71/143) 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 640076 (71/143) 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 Screw 640027
#20

Carburetor 640076 (71/143) diagram

Lawn & garden equipment screw

Part #640027

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Carburetor Nozzle 632735
#36

Carburetor 640076 (71/143) diagram

Lawn & garden equipment engine carburetor nozzle

Part #632735

In Stock
Lawn & Garden Equipment Engine Throttle Shaft Seal 631183
#5

Carburetor 640076 (71/143) diagram

Lawn & garden equipment engine throttle shaft seal

Part #631183

This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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 walk-behind lawn mower.

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.…