Craftsman
Lawn & Garden Engine

Model # 143575012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143575012 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 199 parts  |

O-ring 631028
#25

Carburetor no. 631067a diagram

O-ring

Part #631028

The manufacturer no longer makes this part, and there's no substitute part

Needl/seat 631021
#12

Carburetor no. 631067a diagram

Needl/seat

Part #631021

The manufacturer no longer makes this part, and there's no substitute part

Gasket 27110
#21

Carburetor no. 631067a diagram

Gasket

Part #27110

The manufacturer no longer makes this part, and there's no substitute part

/carb Float 631023
#14

Carburetor no. 631067a diagram

/carb float

Part #631023

The manufacturer no longer makes this part, and there's no substitute part

Breather Element Air Filter 28424
#40

Basic engine diagram

Breather element air filter

Part #28424

The manufacturer no longer makes this part, and there's no substitute part

Fuel Line 30962
#118

Basic engine diagram

Fuel line

Part #30962

The manufacturer no longer makes this part, and there's no substitute part

Tube 32447
#44

Basic engine diagram

Tube

Part #32447

The manufacturer no longer makes this part, and there's no substitute part

Screw 28820
#88

Basic engine diagram

Screw

Part #28820

The manufacturer no longer makes this part, and there's no substitute part

Spring Retainer 630731
#2

Carburetor no. 631067a diagram

Spring retainer

Part #630731

The manufacturer no longer makes this part, and there's no substitute part

Chmp J8 Plug 21943
#37

Basic engine diagram

Chmp j8 plug

Part #21943

The manufacturer no longer makes this part, and there's no substitute part

Repair guides for front-tine tillers

How to replace the tines on a front-tine tiller

How to replace the tines on a front-tine tiller

Badly worn tines diminish the tilling results. If the tines are bent, dull or worn, follow these steps to replace the t…

Repair difficulty
Time required
 15 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.…