Craftsman
Lawn & Garden Engine

Model # 143986512 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143986512 engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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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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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

Engine 143.986512 diagram

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

Part #26756

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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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Generac Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Engine 143.986512 diagram

Generac lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

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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 Fuel Line Clamp 26460
#292

Engine 143.986512 diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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Tractor Accessories Lawn & Garden Equipment Engine Recoil Starter (replaces 590637, 590702) 590739
#0

Starter 590739 div 71/143 diagram

Tractor accessories lawn & garden equipment engine recoil starter (replaces 590637, 590702)

Part #590739

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Carburetor 640069
Carburetor

Part #640069

Replaced by #640262A

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Manufacturer substitution
This part replaces 640069. Substitute parts can look different from the original.
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Starter 590702
Starter

Part #590702

Replaced by #590739

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Manufacturer substitution
This part replaces 590702. Substitute parts can look different from the original.
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How to replace a line trimmer carburetor

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 15 minutes or less
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How to replace a line trimmer fuel line

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Repair difficulty
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 15 minutes or less

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