Craftsman
Lawn & Garden Engine

Model # 143770022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143770022 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 198 parts  |

Screw 30688
#82

Engine diagram

Screw

Part #30688

Replaced by #30063

?
Manufacturer substitution
This part replaces 30688. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Screw 28942
#130

Engine diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lauson Gear 33844
#5

Starter motor diagram

Lauson gear

Part #33844

In Stock
Cook Top Side Trim Kit Retaining Ring 29193
#38

Engine diagram

Cook top side trim kit retaining ring

Part #29193

This item is not returnable
In Stock
Lauson Lawn & Garden Equipment Engine Starter Pinion Gear Retainer Ring 33842
#2

Starter motor diagram

Lauson lawn & garden equipment engine starter pinion gear retainer ring

Part #33842

This item is not returnable
In Stock
Lawn & Garden Equipment Engine Recoil Starter Pulley 31980
Lawn & garden equipment engine recoil starter pulley

Part #31980

In Stock
Valve Spring 33507
#23

Engine diagram

Valve spring

Part #33507

This item is not returnable
In Stock
Lauson Nut 7975
#63

Engine diagram

Lauson nut

Part #7975

This item is not returnable
In Stock
Tractor Accessories Cord 33848
#11

Starter motor diagram

Tractor accessories cord

Part #33848

In Stock
Fuel Jet 632457
#26

Carburetor diagram

Fuel jet

Part #632457

In Stock

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.…