Craftsman
Lawn & Garden Engine

Model # 143995508 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143995508 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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Showing 10 of 140 parts  |

Lawn & Garden Equipment Engine Air Filter 35066
#245

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine air filter

Part #35066

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Lawn Mower O-ring 631028
#29

Carburetor 632747 (71/143) diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

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Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
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$2.49
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Needle Seat 631021
#30

Carburetor 632747 (71/143) 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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Ignition Module 34443B
#100

Craftsman 4-cycle engine diagram

Ignition module

Part #34443B

Replaced by #34443D

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This part replaces 34443B. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

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Lawn & Garden Equipment Engine Recoil Starter Housing 590695A
#11

Starter 590694 (71/143) diagram

Lawn & garden equipment engine recoil starter housing

Part #590695A

Replaced by #590785

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Manufacturer substitution
This part replaces 590695A. Substitute parts can look different from the original.
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Starter 590737
Starter

Part #590737

Replaced by #590785

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Manufacturer substitution
This part replaces 590737. Substitute parts can look different from the original.
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Starter 590694
#0

Starter 590694 (71/143) diagram

Starter

Part #590694

Replaced by #590785

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This part replaces 590694. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

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Cap 36246
#301

Craftsman 4-cycle engine diagram

Cap

Part #36246

Replaced by #37844

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Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
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$6.69
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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.…