Craftsman
Lawn & Garden Engine

Model # 143806142 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143806142 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 119 parts  |

Spark Plug 34251
#37

Replacement parts diagram

Spark plug

Part #34251

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 34251. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80
17% OFF Phone Price : $5.80
In Stock
Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#116

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
Lawn & Garden Equipment O-ring 35499
#25A

Replacement parts diagram

Lawn & garden equipment o-ring

Part #35499

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Air Filter Housing Gasket 27272A
#83

Replacement parts diagram

Lawn & garden equipment engine air filter housing gasket

Part #27272A

This item is not returnable
$3.64
23% OFF MSRP : $4.70
In Stock
Lawn & Garden Equipment Engine Air Filter 30727
#157

Replacement parts diagram

Lawn & garden equipment engine air filter

Part #30727

$8.99
10% OFF Phone Price : $9.99
In Stock
Screw 28820
#156

Replacement parts diagram

Screw

Part #28820

Replaced by #651081

?
Manufacturer substitution
This part replaces 28820. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Engine Oil Fill Tube 35554
#25B

Replacement parts diagram

Lawn & garden equipment engine oil fill tube

Part #35554

This item is not returnable
$22.19
18% OFF Phone Price : $27.19
In Stock
Lawn & Garden Equipment Engine Governor Gear Assembly 30591
#107

Replacement parts diagram

Lawn & garden equipment engine governor gear assembly

Part #30591

$15.69
11% OFF Phone Price : $17.69
In Stock
Generator Engine Breather Tube 35350
#44

Replacement parts diagram

Generator engine breather tube

Part #35350

This item is not returnable
In Stock
Gasket 31688A
#75

Replacement parts diagram

Gasket

Part #31688A

This item is not returnable
In Stock

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.…