Craftsman
Lawn & Garden Engine

Model # 143154012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143154012 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 180 parts  |

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
Fitting 631034
#16

Carburetor diagram

Fitting

Part #631034

Replaced by #632527

?
Manufacturer substitution
This part replaces 631034. Substitute parts can look different from the original.
This item is not returnable
$9.59
9% OFF Phone Price : $10.59
In Stock
Element 31410
#54

Basic engine diagram

Element

Part #31410

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

Plug 30572
#28

Basic engine diagram

Plug

Part #30572

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

Lawn & Garden Equipment Engine Carburetor O-ring 630740
#13

Carburetor diagram

Lawn & garden equipment engine carburetor o-ring

Part #630740

This item is not returnable
$3.64
22% OFF Phone Price : $4.64
In Stock
Governor Gear Assembly 30591
#33

Basic engine diagram

Governor gear assembly

Part #30591

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

Spring 31672
#9

Basic engine diagram

Spring

Part #31672

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

Troybilt Lawn & Garden Equipment Engine Tension Spring 630766
#5

Carburetor diagram

Troybilt lawn & garden equipment engine tension spring

Part #630766

This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Engine Welch Plug 630748
#15

Carburetor diagram

Troybilt lawn & garden equipment engine welch plug

Part #630748

This item is not returnable
In Stock
Gasket 28833
#27

Basic engine diagram

Gasket

Part #28833

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

Symptoms for gas ranges

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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.…