Craftsman
Lawn & Garden Engine

Model # 143266142 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143266142 4-cycle engine, as well as links to manuals and error code tables, if available.

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ALL PARTS
Showing 10 of 167 parts  |

Needle Seat 631021
#12

Replacement parts diagram

Needle seat

Part #631021

Replaced by #631021B

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Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
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Gasket 27110
#21

Replacement parts diagram

Gasket

Part #27110

Replaced by #27110A

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Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
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Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#82

Engine diagram

Cook top side trim kit lawn & garden equipment engine air filter (replaces 28424l)

Part #28424

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Gasket 33861
#52

Engine diagram

Gasket

Part #33861

Replaced by #33263

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Manufacturer substitution
This part replaces 33861. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
Troybilt lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

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Fuel Fitting 631775
#26

Replacement parts 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.
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Troybilt Carburetor Float 631024
#15

Replacement parts diagram

Troybilt carburetor float

Part #631024

This item is not returnable
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Carburetor Lawn & Garden Equipment Engine Carburetor Bowl Drain Valve 27136A
#17

Replacement parts diagram

Carburetor lawn & garden equipment engine carburetor bowl drain valve

Part #27136A

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Lawn & Garden Equipment Engine Air Filter Collar Gasket 33629
#65

Engine diagram

Lawn & garden equipment engine air filter collar gasket

Part #33629

This item is not returnable
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Lawn & Garden Equipment Engine Carburetor O-ring 630740
#23

Replacement parts diagram

Lawn & garden equipment engine carburetor o-ring

Part #630740

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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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

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

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

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…

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

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 replace a lawn mower spark plug

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…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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

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…

Repair difficulty
Time required
 45 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.…