Lawn & Garden Engine

Model # 143364102 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143364102 4-cycle engine, as well as links to manuals and error code tables, if available.

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143364102 4-Cycle Engine
Lamination 34443A
#90

Engine diagram

Lamination

Part #34443A

Replaced by #34443D

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Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
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$40.75
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In Stock
Carburetor 632046
#27

Carburetor no. 632046 diagram

Carburetor

Part #632046

Replaced by #632795A

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Manufacturer substitution
This part replaces 632046. Substitute parts can look different from the original.
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$76.19
7% OFF Phone Price : $82.19
In Stock
Primer Assembly 632047
#9

Carburetor no. 632046 diagram

Primer assembly

Part #632047

Replaced by #632047A

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Manufacturer substitution
This part replaces 632047. Substitute parts can look different from the original.
This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Engine Flywheel Key (replaces 02-403) 611004
#42

Engine diagram

Troybilt lawn & garden equipment engine flywheel key (replaces 02-403)

Part #611004

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Fuel Fitting 631775
#26

Carburetor no. 632046 diagram

Fuel fitting

Part #631775

Replaced by #632527

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Manufacturer substitution
This part replaces 631775. Substitute parts can look different from the original.
This item is not returnable
$9.59
9% OFF Phone Price : $10.59
In Stock
Troybilt Carburetor Float 631024
#15

Carburetor no. 632046 diagram

Troybilt carburetor float

Part #631024

This item is not returnable
In Stock
Troybilt Lawn & Garden Equipment Engine Breather Element 33734
#93

Engine diagram

Troybilt lawn & garden equipment engine breather element

Part #33734

This item is not returnable
In Stock
Drain Plug 27244
#28

Engine diagram

Drain plug

Part #27244

Replaced by #36083

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Manufacturer substitution
This part replaces 27244. Substitute parts can look different from the original.
This item is not returnable
$7.89
11% OFF Phone Price : $8.89
In Stock
Governor Link 34336
Governor link

Part #34336

Replaced by #34336A

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Manufacturer substitution
This part replaces 34336. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Generac Lawn & Garden Equipment Engine Self-tapping Screw 30200
Generac lawn & garden equipment engine self-tapping screw

Part #30200

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.…