Tecumseh
Lawn & Garden Engine

Model # 640023 Official Tecumseh carburetor

Here are the diagrams and repair parts for Official Tecumseh 640023 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 26 parts  |

Needle Seat 631021
#30

Carburetor 640023 71/143 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
$9.50
10% OFF Phone Price : $10.50
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#(NI)

Carburetor 640023 71/143 diagram

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

Part #632760B

BEST SELLER
$22.91
21% OFF Phone Price : $28.91
In Stock
Gasket 27110
#44

Carburetor 640023 71/143 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
Float 632019
#28

Carburetor 640023 71/143 diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
This item is not returnable
$8.89
10% OFF Phone Price : $9.89
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor O-ring 632547
#37

Carburetor 640023 71/143 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
Troybilt Carburetor Float 631024
#27

Carburetor 640023 71/143 diagram

Troybilt carburetor float

Part #631024

This item is not returnable
In Stock
Lauson Spring Retainer 631970
#2

Carburetor 640023 71/143 diagram

Lauson spring retainer

Part #631970

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

Carburetor 640023 71/143 diagram

Troybilt lawn & garden equipment engine tension spring

Part #630766

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

Carburetor 640023 71/143 diagram

Troybilt lawn & garden equipment engine welch plug

Part #630748

This item is not returnable
In Stock
Lauson Lawn & Garden Equipment Engine Throttle Shaft And Lever Assembly 631776A
#1

Carburetor 640023 71/143 diagram

Lauson lawn & garden equipment engine throttle shaft and lever assembly

Part #631776A

In Stock

Symptoms for electric ranges

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…

Repair difficulty
Time required
 45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Repair difficulty
Time required
 15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

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.…