Lawn & Garden Engine

Model # 143754022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143754022 4-cycle engine, as well as links to manuals and error code tables, if available.

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143754022 4-Cycle Engine
Needle Seat 631021
#12

Carburetor 631921 (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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Lamination 34443A
#123

Solid state ignition 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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Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
#9

Rewind starter diagram

Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)

Part #590535

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Tecumseh Lawn & Garden Equipment Engine Air Filter Cover (replaces 35986, B35065) 35065
#81

Solid state ignition diagram

Tecumseh lawn & garden equipment engine air filter cover (replaces 35986, b35065)

Part #35065

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Gasket 27110
#21

Carburetor 631921 (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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Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#117

Solid state ignition diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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Carburetor Float 631023
#14

Carburetor 631921 (71/143) diagram

Carburetor float

Part #631023

Replaced by #632019A

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Manufacturer substitution
This part replaces 631023. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#16

Carburetor 631921 (71/143) diagram

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

Part #631867

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Plug Cover 27276
#27

Solid state ignition 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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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

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