Craftsman
Lawn & Garden Engine

Model # 143721022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143721022 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 159 parts  |

Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#119

Replacement parts diagram

Lawn & garden equipment engine fuel line clamp

Part #26460

BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

?
Manufacturer substitution
This part replaces 590386. 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
Lawn & Garden Equipment Engine Stop Wire Terminal 610973
#56

Replacement parts diagram

Lawn & garden equipment engine stop wire terminal

Part #610973

This item is not returnable
$4.11
20% OFF Phone Price : $5.11
In Stock
Repair Kit 630974
#25

Carburetor diagram

Repair kit

Part #630974

Replaced by #631893A

?
Manufacturer substitution
This part replaces 630974. Substitute parts can look different from the original.
In Stock
Lawn & Garden Equipment Engine Screw 28942
#51

Replacement parts diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Oil Seal 32600
#4

Replacement parts diagram

Lawn & garden equipment engine oil seal

Part #32600

This item is not returnable
$7.59
12% OFF Phone Price : $8.59
In Stock
Lawn & Garden Equipment Engine Breather Filter 31410
#40

Replacement parts diagram

Lawn & garden equipment engine breather filter

Part #31410

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Governor Control Lever Clamp 31335
#94

Replacement parts diagram

Lawn & garden equipment engine governor control lever clamp

Part #31335

This item is not returnable
In Stock
Spring Retainer 630731
#2

Carburetor diagram

Spring retainer

Part #630731

Replaced by #631767

?
Manufacturer substitution
This part replaces 630731. 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 Nut 650816
#72

Replacement parts diagram

Lawn & garden equipment nut

Part #650816

This item is not returnable
In Stock

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace the brake interlock switch on a riding lawn mower

How to replace the brake interlock switch on a riding lawn mower

If the engine won’t start even though the brake is on, the brake interlock switch could be at fault. Here’s how to repla…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 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.…