Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Craftsman
Lawn & Garden Engine

Model # 143640022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143640022 4-cycle engine, 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 216 parts  |
Screw 30688
#82

Engine diagram

Screw

Part #30688

Replaced by #30063

?
Manufacturer substitution
This part replaces 30688. Substitute parts can look different from the original.
This item is not returnable
$2.49
| 
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Screw 28942
#170

Engine diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
| 
29% OFF Phone Price : $3.49
Back Order
Carburetor Lawn & Garden Equipment Engine Carburetor Bowl Drain Valve 27136A
#16

Carburetor diagram

Carburetor lawn & garden equipment engine carburetor bowl drain valve

Part #27136A

This item is not returnable
$8.09
| 
11% OFF Phone Price : $9.09
In Stock
Screw 30564
#34

Engine diagram

Screw

Part #30564

Replaced by #650451

?
Manufacturer substitution
This part replaces 30564. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Repair 631765
#28

Carburetor diagram

Repair

Part #631765

$66.78
In Stock
Valve Spring 33507
#23

Engine diagram

Valve spring

Part #33507

This item is not returnable
$4.17
In Stock
Cook Top Side Trim Kit Retaining Ring 29193
#38

Engine diagram

Cook top side trim kit retaining ring

Part #29193

This item is not returnable
$2.16
In Stock
Tecumseh Lawn & Garden Equipment Engine Nozzle Tube 640022
#1

Engine diagram

Tecumseh lawn & garden equipment engine nozzle tube

Part #640022

This item is not returnable
$2.16
In Stock
Lauson Gear 33844
#5

Starter motor diagram

Lauson gear

Part #33844

$39.73
In Stock
Lauson Lawn & Garden Equipment Engine Starter Pinion Gear Retainer Ring 33842
#2

Starter motor diagram

Lauson lawn & garden equipment engine starter pinion gear retainer ring

Part #33842

This item is not returnable
$4.43
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of ...

Read more

Why isn't my cooktop's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure...

Read more

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module...

Read more

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need....

Read more
Repair difficulty
Time required
30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp...

Read more
Repair difficulty
Time required
45 minutes or less

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

View all
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....

Read more
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....

Read more

Parts & More