Craftsman
Lawn & Garden Engine

Model # 143578062 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143578062 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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ALL PARTS
Showing 10 of 190 parts  |

Gasket 27110
#20

Carburetor diagram

Gasket

Part #27110

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

Tube 27627
#100

Basic rngine diagram

Tube

Part #27627

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

Gasket 27554
#25

Carburetor diagram

Gasket

Part #27554

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

Screw 650597
#105

Basic rngine diagram

Screw

Part #650597

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

Spring 31503
#9

Carburetor diagram

Spring

Part #31503

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

Spacer 32031
#82A

Basic rngine diagram

Spacer

Part #32031

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

Spring 27114
#8

Carburetor diagram

Spring

Part #27114

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

Piston Pin 32002
#14A

Basic rngine diagram

Piston pin

Part #32002

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

Screw 650624
#92A

Basic rngine diagram

Screw

Part #650624

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

Retaining Ring 31919
#16

Basic rngine diagram

Retaining ring

Part #31919

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

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.…