Craftsman
Lawn & Garden Engine

Model # 143640173 Official Craftsman carburetor - 640173

Here are the diagrams and repair parts for Official Craftsman 143640173 carburetor - 640173, 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 12 parts  |

Tractor Accessories Lawn & Garden Equipment Engine Carburetor Primer Bulb (replaces 120-200) 632047A
#35

Carburetor 640173 diagram

Tractor accessories lawn & garden equipment engine carburetor primer bulb (replaces 120-200)

Part #632047A

This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Engine Welch Plug (replaces 53-005) 631027
#48

Carburetor 640173 diagram

Troybilt lawn & garden equipment engine welch plug (replaces 53-005)

Part #631027

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

Carburetor 640173 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
#5

Carburetor 640173 diagram

Lawn & garden equipment engine throttle shaft seal

Part #631183

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

Carburetor 640173 diagram

Walton lawn & garden equipment engine screw

Part #650506

This item is not returnable
In Stock
Lawn & Garden Equipment Throttle Shaft Return Spring (replaces 630731, 631279, 631279a, 631279l, 632016) 631767
#2

Carburetor 640173 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 Nut 631937A
#40

Carburetor 640173 diagram

Lawn & garden equipment nut

Part #631937A

This item is not returnable
In Stock
Bowl 631700
#25

Carburetor 640173 diagram

Bowl

Part #631700

This item is not returnable
In Stock
Lauson Shutter 631616
#6

Carburetor 640173 diagram

Lauson shutter

Part #631616

This item is not returnable
In Stock
Troybilt Carburetor Float 631024
#27

Carburetor 640173 diagram

Troybilt carburetor float

Part #631024

This item is not returnable
In Stock

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less

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.…