Craftsman
Lawn & Garden Engine

Model # 143576052 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143576052 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 172 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

Fuel Line 30706
#118

Basic engine diagram

Fuel line

Part #30706

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

/fuel Bowl 631025
#16

Carburetor no. 631067a diagram

/fuel bowl

Part #631025

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

/fuel Clamp 26460
#119

Basic engine diagram

/fuel clamp

Part #26460

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

Plug 631027
#11

Carburetor no. 631067a diagram

Plug

Part #631027

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

Washer 30590A
#122

Basic engine diagram

Washer

Part #30590A

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

Clip 631022
#13

Carburetor no. 631067a diagram

Clip

Part #631022

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.…