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Craftsman
Lawn & Garden Engine

Model # 143216032 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143216032 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 175 parts  |
O-ring 631028
#25

Carburetor diagram

O-ring

Part #631028

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

Needl/seat 631021
#12

Carburetor diagram

Needl/seat

Part #631021

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

Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

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Manufacturer substitution
This part replaces 590386. Substitute parts can look different from the original.
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/carb Float 631023
#14

Carburetor diagram

/carb float

Part #631023

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

/fuel Bowl 631025
#16

Carburetor diagram

/fuel bowl

Part #631025

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

Screw 28820
#149

Basic engine diagram

Screw

Part #28820

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

Governor Gear Assembly 30591
#111

Basic engine diagram

Governor gear assembly

Part #30591

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

Tube 27627
#57

Basic engine diagram

Tube

Part #27627

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

Spacer 28277
#99

Basic engine diagram

Spacer

Part #28277

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

Spring 630738
#5A

Carburetor diagram

Spring

Part #630738

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

Symptoms for gas walk-behind mowers

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

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

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Why does my lawn mower vibrate a lot?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower stall?

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

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

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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.

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How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
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Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 minutes or less
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How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 minutes or less

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

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