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Craftsman
Lawn & Garden Engine

Model # 143974020 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143974020 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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ALL PARTS
Showing 10 of 122 parts  |
Lawn Mower O-ring 631028
#29

Carburetor 640026 (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.
BEST SELLER
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$2.49 | 
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Needle Seat 631021
#30

Carburetor 640026 (71/143) diagram

Needle seat

Part #631021

Replaced by #631021B

?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
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$9.50 | 
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Lamination 34443A
#100

Engine (143.974020) 71/143 diagram

Lamination

Part #34443A

Replaced by #34443D

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Manufacturer substitution
This part replaces 34443A. Substitute parts can look different from the original.
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$44.07 | 
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Line 34357
#290

Engine (143.974020) 71/143 diagram

Line

Part #34357

Replaced by #29774

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Manufacturer substitution
This part replaces 34357. Substitute parts can look different from the original.
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$5.99 | 
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Gasket 27110
#44

Carburetor 640026 (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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$2.49 | 
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Cap 36246
#301

Engine (143.974020) 71/143 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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Troybilt Lawn & Garden Equipment Engine Air Filter Collar Gasket 34338
#239

Engine (143.974020) 71/143 diagram

Troybilt lawn & garden equipment engine air filter collar gasket

Part #34338

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Troybilt Lawn & Garden Equipment Engine Oil Seal 27897
#75

Engine (143.974020) 71/143 diagram

Troybilt lawn & garden equipment engine oil seal

Part #27897

This item is not returnable
$7.02 | 
12% OFF Phone Price : $8.02
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Troybilt Lawn & Garden Equipment Engine Flywheel Key (replaces 02-403) 611004
#89

Engine (143.974020) 71/143 diagram

Troybilt lawn & garden equipment engine flywheel key (replaces 02-403)

Part #611004

This item is not returnable
$2.49 | 
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In Stock
Lawn & Garden Equipment Engine Intake Gasket 36786
#224

Engine (143.974020) 71/143 diagram

Lawn & garden equipment engine intake gasket

Part #36786

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock

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