Lawn & Garden Engine

Model # 143986504 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143986504 engine, as well as links to manuals and error code tables, if available.

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143986504 Engine
Lawn Mower O-ring 631028
#29

Carburetor 640069 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.
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Needle Seat 631021
#30

Carburetor 640069 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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Primer 36045
#35

Carburetor 640069 diagram

Primer

Part #36045

Replaced by #36045A

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Manufacturer substitution
This part replaces 36045. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Replacement parts diagram

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

Part #26756

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Ignition Module 34443B
#100

Replacement parts diagram

Ignition module

Part #34443B

Replaced by #34443D

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Manufacturer substitution
This part replaces 34443B. 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
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 640069 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 Air Filter Collar Gasket 34338
#239

Replacement parts diagram

Troybilt lawn & garden equipment engine air filter collar gasket

Part #34338

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

Replacement parts diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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Gasket 36996
#306

Replacement parts diagram

Gasket

Part #36996

Replaced by #37610

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Manufacturer substitution
This part replaces 36996. Substitute parts can look different from the original.
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