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Craftsman
Lawn & Garden Engine

Model # 143774012 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143774012 4-cycle engine, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 152 parts  |
Troybilt Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#87

Engine diagram

Troybilt lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

BEST SELLER
This item is not returnable
$3.64 | 
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In Stock
Gasket 27110
#21

Carburetor diagram

Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49 | 
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Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#117

Engine diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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$2.49 | 
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Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#16

Carburetor diagram

Troybilt lawn & garden equipment engine carburetor float bowl (replaces 631025, 632808)

Part #631867

This item is not returnable
$3.49 | 
22% OFF Phone Price : $4.49
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Generac Lawn & Garden Equipment Engine Service Manual (replaces 692509, 730546, 740048) 740049

#NI

All parts diagram

Generac lawn & garden equipment engine service manual (replaces 692509, 730546, 740048)

Part #740049

This item is not returnable
$12.19 | 
14% OFF Phone Price : $14.19
In Stock
Lawn & Garden Equipment Throttle Shaft Return Spring (replaces 630731, 631279, 631279a, 631279l, 632016) 631767
#2

Carburetor diagram

Lawn & garden equipment throttle shaft return spring (replaces 630731, 631279, 631279a, 631279l, 632016)

Part #631767

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Generac Lawn & Garden Equipment Engine Nut 29752
Generac lawn & garden equipment engine nut

Part #29752

This item is not returnable
$2.16
In Stock
Generac Lawn & Garden Equipment Engine Governor Control Lever Clamp 31335
#139

Engine diagram

Generac lawn & garden equipment engine governor control lever clamp

Part #31335

This item is not returnable
$2.16
In Stock
Muffler 391017
#97

Engine diagram

Muffler

Part #391017

Replaced by #36473A

?
Manufacturer substitution
This part replaces 391017. Substitute parts can look different from the original.
This item is not returnable
$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Screw 28820
#79

Engine diagram

Screw

Part #28820

Replaced by #651081

?
Manufacturer substitution
This part replaces 28820. Substitute parts can look different from the original.
This item is not returnable
$4.60
In Stock

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