Craftsman
Lawn & Garden Engine

Model # 143680022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143680022 4-cycle engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 194 parts  |

Line 34357
#167

Replacement parts diagram

Line

Part #34357

Replaced by #29774

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Manufacturer substitution
This part replaces 34357. Substitute parts can look different from the original.
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This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock
Lauson Lawn & Garden Equipment Engine Fuel Line (replaces 30241, 430217, 503-1199, 503-1577, Tc-30962) 30962
#166

Replacement parts diagram

Lauson lawn & garden equipment engine fuel line (replaces 30241, 430217, 503-1199, 503-1577, tc-30962)

Part #30962

This item is not returnable
$6.76
13% OFF Phone Price : $7.76
In Stock
Screw 30688
#82

Replacement parts diagram

Screw

Part #30688

Replaced by #30063

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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
#170

Replacement parts diagram

Lawn & garden equipment engine screw

Part #28942

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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Screw 30564
#34

Replacement parts diagram

Screw

Part #30564

Replaced by #650451

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Manufacturer substitution
This part replaces 30564. Substitute parts can look different from the original.
This item is not returnable
In Stock
Valve Spring 33507
#23

Replacement parts diagram

Valve spring

Part #33507

This item is not returnable
In Stock
Cook Top Side Trim Kit Retaining Ring 29193
#38

Replacement parts diagram

Cook top side trim kit retaining ring

Part #29193

This item is not returnable
In Stock
Carburetor Lawn & Garden Equipment Engine Carburetor Float 27105
#14

Replacement parts diagram

Carburetor lawn & garden equipment engine carburetor float

Part #27105

In Stock
Lawn & Garden Equipment Washer 30590A
#29

Replacement parts diagram

Lawn & garden equipment washer

Part #30590A

Replaced by #651080

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Manufacturer substitution
This part replaces 30590A. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lauson Flywheel Key 650592
#76

Replacement parts diagram

Lauson flywheel key

Part #650592

This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up...

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade...

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key...

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel...

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba...

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent...

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks....

Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope....

Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix....

Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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....