Craftsman
Lawn & Garden Engine

Model # 143531142 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143531142 4-cycle 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 186 parts  |

Plug Cover 27276
#93

Basic engine diagram

Plug cover

Part #27276

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

Spring Retainer 630731
#2

Carburetor no. 630989 diagram

Spring retainer

Part #630731

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

Element 31410
#40

Basic engine diagram

Element

Part #31410

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

Chmp J8 Plug 21943
#37

Basic engine diagram

Chmp j8 plug

Part #21943

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

Spool 30588
#109

Basic engine diagram

Spool

Part #30588

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

Valve Kit 29314
#5

Basic engine diagram

Valve kit

Part #29314

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

Gasket 27677
#26

Basic engine diagram

Gasket

Part #27677

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

Gasket 630750
#21

Carburetor no. 630989 diagram

Gasket

Part #630750

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

Shft/levr 630983
#1

Carburetor no. 630989 diagram

Shft/levr

Part #630983

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

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Repair guides for gas chainsaws

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

How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

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Repair difficulty
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How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Repair difficulty
Time required
 15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair difficulty
Time required
 15 minutes or less

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