Lawn & Garden Engine

Model # 143941003 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143941003 engine, as well as links to manuals and error code tables, if available.

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143941003 Engine
Lawn Mower O-ring 631028
#25

Carburetor 632370a (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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Needle Seat 631021
#12

Carburetor 632370a (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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Gasket 27110
#21

Carburetor 632370a (71/143) 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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Starter Rope 590456
#12

Starter 590672 (71/143) diagram

Starter rope

Part #590456

Replaced by #590535

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Manufacturer substitution
This part replaces 590456. Substitute parts can look different from the original.
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Primer 570682
#350

Replacement parts diagram

Primer

Part #570682

Replaced by #570682A

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Manufacturer substitution
This part replaces 570682. Substitute parts can look different from the original.
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Craftsman Lawn & Garden Equipment Engine Fuel Line 29774
#290

Replacement parts diagram

Craftsman lawn & garden equipment engine fuel line

Part #29774

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Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Replacement parts diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

This item is not returnable
$2.49
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Craftsman Lawn & Garden Equipment Engine Throttle Control Knob 35440
#215

Replacement parts diagram

Craftsman lawn & garden equipment engine throttle control knob

Part #35440

This item is not returnable
$4.14
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Craftsman Lawn & Garden Equipment Engine Air Filter 28424
#171

Replacement parts diagram

Craftsman lawn & garden equipment engine air filter

Part #28424

This item is not returnable
$4.14
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Lawn & Garden Equipment Engine Fuel Tank Cap 35355
#301

Replacement parts diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

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Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
$9.59
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Repair difficulty
Time required
 120 minutes or less

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