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Craftsman
Lawn & Garden Engine

Model # 143978003 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143978003 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 186 parts  |
Lawn Mower O-ring 631028
#29

Carburetor 640052 (71/143) diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

?
Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
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This item is not returnable
$2.49 | 
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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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$66.60 | 
8% OFF Phone Price : $72.60
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Gasket 27110
#44

Carburetor 640052 (71/143) diagram

Gasket

Part #27110

Replaced by #27110A

?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
BEST SELLER
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$2.49 | 
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Troybilt Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Engine 143.978003 (71/143) diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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$2.49 | 
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Lawn & Garden Equipment Engine Fuel Line (replaces 32180, 32180a, 32180b, 500236, Tc-32180c) 32180C
#351

Engine 143.978003 (71/143) diagram

Lawn & garden equipment engine fuel line (replaces 32180, 32180a, 32180b, 500236, tc-32180c)

Part #32180C

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Ignition Key 35593
#328

Engine 143.978003 (71/143) diagram

Ignition key

Part #35593

Replaced by #35062

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Manufacturer substitution
This part replaces 35593. Substitute parts can look different from the original.
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$4.09 | 
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Primer 570682
#350

Engine 143.978003 (71/143) diagram

Primer

Part #570682

Replaced by #570682A

?
Manufacturer substitution
This part replaces 570682. Substitute parts can look different from the original.
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$11.79 | 
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Lawn & Garden Equipment Engine Fuel Tank Cap 35355
#301

Engine 143.978003 (71/143) diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

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Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
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$9.59 | 
9% OFF Phone Price : $10.59
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Lawn & Garden Equipment Engine Throttle Control Knob 35440
#215

Engine 143.978003 (71/143) diagram

Lawn & garden equipment engine throttle control knob

Part #35440

This item is not returnable
$4.14 | 
19% OFF Phone Price : $5.14
In Stock

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