Craftsman
Lawn & Garden Engine

Model # 143640020 Official Craftsman carburetor

Here are the diagrams and repair parts for Official Craftsman 143640020 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 21 parts  |

Washer 632673
#33

Carburetor 640020 (71/143) diagram

Washer

Part #632673

Replaced by #27110A

?
Manufacturer substitution
This part replaces 632673. 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
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
Tecumseh Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 632548
#29

Carburetor 640020 (71/143) diagram

Tecumseh lawn & garden equipment engine carburetor float bowl gasket

Part #632548

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Carburetor Valve Seat Gasket 632709
#30

Carburetor 640020 (71/143) diagram

Lawn & garden equipment engine carburetor valve seat gasket

Part #632709

This item is not returnable
In Stock
Tecumseh Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 730637) 730637A
#(NI)

Carburetor 640020 (71/143) diagram

Tecumseh lawn & garden equipment engine carburetor rebuild kit (replaces 730637)

Part #730637A

$38.27
14% OFF Phone Price : $44.27
In Stock
Carburetor 640020
#0

Carburetor 640020 (71/143) diagram

Carburetor

Part #640020

Replaced by #640020B

?
Manufacturer substitution
This part replaces 640020. Substitute parts can look different from the original.
$96.19
11% OFF Phone Price : $108.19
In Stock
Tecumseh Retainer 632549
#39

Carburetor 640020 (71/143) diagram

Tecumseh retainer

Part #632549

This item is not returnable
In Stock
Tecumseh Lawn & Garden Equipment Engine Carburetor Bowl Drain Screw 632672
#32

Carburetor 640020 (71/143) diagram

Tecumseh lawn & garden equipment engine carburetor bowl drain screw

Part #632672

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Carburetor Float 632543
#28

Carburetor 640020 (71/143) diagram

Lawn & garden equipment engine carburetor float

Part #632543

In Stock
Tecumseh Lawn & Garden Equipment Engine Carburetor Main Jet 640021
#40

Carburetor 640020 (71/143) diagram

Tecumseh lawn & garden equipment engine carburetor main jet

Part #640021

This item is not returnable
In Stock

Repair guides for rear-tine tillers

How to replace a tiller drive belt

How to replace a tiller drive belt

The drive belt connects the engine to the transmission, which drives the tines and wheels. If the drive belt is worn an…

Repair difficulty
Time required
 15 minutes or less
How to replace the tines on a rear-tine tiller

How to replace the tines on a rear-tine tiller

Badly worn tines cut through the soil less effectively. If the tines are bent, dull or worn, follow these steps to repla…

Repair difficulty
Time required
 30 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.…