Craftsman
Lawn & Garden Engine

Model # 143681001 Official Craftsman 2-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143681001 2-cycle engine, as well as links to manuals and error code tables, if available.

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Showing 10 of 94 parts  |

Troybilt Lawn & Garden Equipment Engine Air Filter 35066
#67

Replacement parts diagram

Troybilt lawn & garden equipment engine air filter

Part #35066

BEST SELLER
This item is not returnable
$4.67
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Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#40

Replacement parts diagram

Troybilt lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24
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Starter Handle 590452
#8

Rewind starter diagram

Starter handle

Part #590452

Replaced by #590701

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Manufacturer substitution
This part replaces 590452. Substitute parts can look different from the original.
This item is not returnable
$7.80
11% OFF Phone Price : $8.80
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Lawn & Garden Equipment Engine Fuel Line Clamp 410253
#57

Replacement parts diagram

Lawn & garden equipment engine fuel line clamp

Part #410253

This item is not returnable
In Stock
Rope 590639
#3

Rewind starter diagram

Rope

Part #590639

Replaced by #590639A

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Manufacturer substitution
This part replaces 590639. Substitute parts can look different from the original.
This item is not returnable
In Stock
Tecumseh Cover 632290
#4

Replacement parts diagram

Tecumseh cover

Part #632290

In Stock
Tecumseh Welch Plug 632297
#13

Replacement parts diagram

Tecumseh welch plug

Part #632297

This item is not returnable
In Stock
Walton Lawn & Garden Equipment Engine Screw 650506
Walton lawn & garden equipment engine screw

Part #650506

This item is not returnable
In Stock
Tecumseh Shaft Assembly 632475
#7

Replacement parts diagram

Tecumseh shaft assembly

Part #632475

In Stock
Tecumseh Gasket 632301
#17

Replacement parts diagram

Tecumseh gasket

Part #632301

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.…