Lawn & Garden Engine

Model # 143999007 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143999007 4-cycle engine, as well as links to manuals and error code tables, if available.

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143999007 4-Cycle Engine
Needle Seat 631021
#30

Carburetor 640052 (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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$9.79 | 
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Troybilt Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#(NI)

Carburetor 640052 (71/143) diagram

Troybilt lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)

Part #632760B

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Carburetor 640052
Carburetor

Part #640052

Replaced by #640349

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Manufacturer substitution
This part replaces 640052. 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
#12

Rewind starter 590733 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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Gasket 27110
#44

Carburetor 640052 (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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Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

4-cycle engine diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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$2.49 | 
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El Start Kit 33329D
#396

4-cycle engine diagram

El start kit

Part #33329D

Replaced by #33329H

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Manufacturer substitution
This part replaces 33329D. Substitute parts can look different from the original.
$203.26 | 
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Float 632019
#28

Carburetor 640052 (71/143) diagram

Float

Part #632019

Replaced by #632019A

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Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
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$8.89 | 
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Cook Top Side Trim Kit Lawn & Garden Equipment Engine Carburetor Manifold Gasket 33263
#184

4-cycle engine diagram

Cook top side trim kit lawn & garden equipment engine carburetor manifold gasket

Part #33263

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$2.49 | 
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Troybilt Lawn & Garden Equipment Engine Carburetor O-ring 632547
#37

Carburetor 640052 (71/143) diagram

Troybilt lawn & garden equipment engine carburetor o-ring

Part #632547

This item is not returnable
$3.64 | 
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