Craftsman
Lawn & Garden Engine

Model #143994020 Official Craftsman engine

Here are the diagrams and repair parts for Craftsman 143994020 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.

Search within this model
Parts List

Showing 10 of 144 parts

Lawn & Garden Equipment Engine Air Filter#245

Craftsman 4-cycle engine Diagram

Lawn & garden equipment engine air filter

Part #35066
BEST SELLER
This item is not returnable
In Stock
$6.49 | 
13% OFF 
Phone Price: $7.49
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760A, 632809)#60

Carburetor 640174 Diagram

In Stock
$22.46 | 
18% OFF 
Phone Price: $27.46
Lawn & Garden Equipment Engine Carburetor Primer Bulb (replaces 49-085)#35

Carburetor 640174 Diagram

Lawn & garden equipment engine carburetor primer bulb (replaces 49-085)

Part #36045A
BEST SELLER
This item is not returnable
Back Order
$6.74 | 
13% OFF 
Phone Price: $7.74
Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141)#184

Craftsman 4-cycle engine Diagram

Lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756
BEST SELLER
This item is not returnable
In Stock
$3.03 | 
36% OFF 
MSRP: $4.70
Lawn & Garden Equipment Engine Recoil Starter Assembly (replaces 31-050, 350694, 590458, 590558, 590695A, 730581)

See All Related Diagrams

Starter

Part #590737
Replaced by #590785
?
Manufacturer substitution
This part replaces 590737. Substitute parts can look different from the original.
BEST SELLER
In Stock
$31.43 | 
14% OFF 
Phone Price: $36.43
Lawn & Garden Equipment Engine Recoil Starter Assembly (replaces 31-050, 350694, 590458, 590558, 590695A, 730581)#0

Starter 590694 (71/143) Diagram

Starter

Part #590694
Replaced by #590785
?
Manufacturer substitution
This part replaces 590694. Substitute parts can look different from the original.
BEST SELLER
In Stock
$31.43 | 
14% OFF 
Phone Price: $36.43
Lawn & Garden Equipment Engine Recoil Starter Assembly (replaces 31-050, 350694, 590458, 590558, 590695A, 730581)#11

Starter 590694 (71/143) Diagram

Lawn & garden equipment engine recoil starter housing

Part #590695A
Replaced by #590785
?
Manufacturer substitution
This part replaces 590695A. Substitute parts can look different from the original.
BEST SELLER
In Stock
$31.43 | 
14% OFF 
Phone Price: $36.43
Lawn & Garden Equipment Engine Air Filter Cover (replaces 35986, B35065)#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
In Stock
$9.69 | 
9% OFF 
Phone Price: $10.69
Lawn & Garden Equipment Engine Carburetor Float (replaces 632019)#28

Carburetor 640174 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
In Stock
$8.89 | 
10% OFF 
Phone Price: $9.89
Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357)#290

Craftsman 4-cycle engine Diagram

Line

Part #34357
Replaced by #29774
?
Manufacturer substitution
This part replaces 34357. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$5.99 | 
14% OFF 
Phone Price: $6.99

Articles and videos common to all lawn & garden engines

June 29, 2022

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.

June 07, 2022

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.