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 # 143973800 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143973800 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 146 parts  |
Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

BEST SELLER
This item is not returnable
$3.64 | 
23% OFF MSRP : $4.70
In Stock
Lamination 34443A
#100

Craftsman 4-cycle engine diagram

Lamination

Part #34443A

Replaced by #34443D

?
Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
BEST SELLER
$47.72 | 
9% OFF Phone Price : $52.72
In Stock
Startrer 590695
#11

Rewind starter diagram

Startrer

Part #590695

Replaced by #590785

?
Manufacturer substitution
This part replaces 590695. Substitute parts can look different from the original.
BEST SELLER
$29.58 | 
14% OFF Phone Price : $34.58
In Stock
Cap 36246
#301

Craftsman 4-cycle engine diagram

Cap

Part #36246

Replaced by #37844

?
Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.69 | 
13% OFF Phone Price : $7.69
In Stock
Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)

Part #590535

BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Air Filter Cover (replaces 35986, B35065) 35065
#250

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine air filter cover (replaces 35986, b35065)

Part #35065

BEST SELLER
This item is not returnable
$9.69 | 
9% OFF Phone Price : $10.69
In Stock
Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Craftsman 4-cycle engine 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
Gasket 27110
#44

Carburetor 632756 (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 632756 (71/143) diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89 | 
10% OFF Phone Price : $9.89
In Stock
Carburetor 640026A
#380

Craftsman 4-cycle engine diagram

Carburetor

Part #640026A

Replaced by #640262A

?
Manufacturer substitution
This part replaces 640026A. Substitute parts can look different from the original.
BEST SELLER
$95.60 | 
9% OFF Phone Price : $105.60
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

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