Lawn & Garden Engine

Model # 143667042 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143667042 4-cycle engine, as well as links to manuals and error code tables, if available.

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143667042 4-Cycle Engine
Needle Seat 631021
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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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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Gasket 27110
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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Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#105

Engine diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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Carburetor Float 631023
Carburetor float

Part #631023

Replaced by #632019A

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This part replaces 631023. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Oil Seal 27897
#24

Engine diagram

Troybilt lawn & garden equipment engine oil seal

Part #27897

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Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
Troybilt lawn & garden equipment engine carburetor float bowl (replaces 631025, 632808)

Part #631867

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$3.49
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Plug Cover 27276
#79

Engine diagram

Plug cover

Part #27276

Replaced by #610118

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Manufacturer substitution
This part replaces 27276. Substitute parts can look different from the original.
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$5.24
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Lawn & Garden Equipment Engine Carburetor Fuel Inlet Fitting (replaces 631470) 631807
Lawn & garden equipment engine carburetor fuel inlet fitting (replaces 631470)

Part #631807

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$9.59
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Throttle Spring 631279
Throttle spring

Part #631279

Replaced by #631767

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Manufacturer substitution
This part replaces 631279. Substitute parts can look different from the original.
This item is not returnable
$2.49
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Symptoms for gas cooktops

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

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Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty
Time required
 45 minutes or less

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