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Craftsman
Lawn & Garden Engine

Model # 143991004 Official Craftsman solid state ignition engine

Here are the diagrams and repair parts for Official Craftsman 143991004 solid state ignition 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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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 185 parts  |
Lawn Mower O-ring 631028
#29

Carburetor diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

?
Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
| 
29% OFF Phone Price : $3.49
In Stock
Spark Plug 33636
#135

Engine diagram

Spark plug

Part #33636

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 33636. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80
| 
17% OFF Phone Price : $5.80
In Stock
Needle Seat 631021
#30

Carburetor diagram

Needle seat

Part #631021

Replaced by #631021B

?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.79
| 
9% OFF Phone Price : $10.79
In Stock
Cap 36246
#301

Engine diagram

Cap

Part #36246

Replaced by #37844

?
Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.69
| 
13% OFF Phone Price : $7.69
In Stock
Cook Top Side Trim Kit Lawn & Garden Equipment Engine Air Filter (replaces 28424l) 28424
#171

Engine diagram

Cook top side trim kit lawn & garden equipment engine air filter (replaces 28424l)

Part #28424

BEST SELLER
This item is not returnable
$4.14
| 
19% OFF Phone Price : $5.14
In Stock
Float 632019
#28

Carburetor diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89
| 
10% OFF Phone Price : $9.89
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#25

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
In Stock
Generac Lawn & Garden Equipment Engine Service Manual (replaces 692509, 730546, 740048) 740049
#NI

Engine 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
Lamination 35135
#100

Engine diagram

Lamination

Part #35135

Replaced by #35135B

?
Manufacturer substitution
This part replaces 35135. Substitute parts can look different from the original.
$58.79
| 
9% OFF Phone Price : $64.79
Back Order
Lawn & Garden Equipment Engine Locking Plate 31588
#276

Engine diagram

Lawn & garden equipment engine locking plate

Part #31588

This item is not returnable
$4.27
| 
19% OFF Phone Price : $5.27
In Stock

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