Lawn & Garden Engine

Model # 143621092 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143621092 4-cycle engine, as well as links to manuals and error code tables, if available.

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Browse Parts for
143621092 4-Cycle Engine
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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Plug 27625
#25

Basic engine diagram

Plug

Part #27625

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

/intke Valve 29314A
#5

Basic engine diagram

/intke valve

Part #29314A

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

/gvnr Clamp 31335
#94

Basic engine diagram

/gvnr clamp

Part #31335

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

Lawn & Garden Equipment Engine Recoil Starter Pawl Spring 590412
#5

Rewind starter diagram

Lawn & garden equipment engine recoil starter pawl spring

Part #590412

In Stock
Governor Gear Assembly 30591
#107

Basic engine diagram

Governor gear assembly

Part #30591

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

Screw 30564
#28

Basic engine diagram

Screw

Part #30564

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

Washer 30590A
#68

Basic engine diagram

Washer

Part #30590A

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

Ring 20381
#16

Basic engine diagram

Ring

Part #20381

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

Screw 650451
#48

Basic engine diagram

Screw

Part #650451

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

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

Repair guides for gas leaf blowers

These step-by-step repair guides will help you safely fix what’s broken on your leaf blower.

How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

Repair difficulty
Time required
 60 minutes or less
How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t…

Repair difficulty
Time required
 15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

Repair difficulty
Time required
 60 minutes or less

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

Use the advice and tips in these articles to get the most out of your leaf blower.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…