Craftsman
Lawn & Garden Engine

Model # 143994020 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143994020 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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Showing 10 of 144 parts  |

Lawn & Garden Equipment Engine Air Filter 35066
#245

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine air filter

Part #35066

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Lawn Mower O-ring 631028
#29

Carburetor 640174 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 640174 diagram

Needle seat

Part #631021

Replaced by #631021B

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This part replaces 631021. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#60

Carburetor 640174 diagram

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

Part #632760B

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Lawn & Garden Equipment Engine Carburetor Primer Bulb (replaces 49-085) 36045A
#35

Carburetor 640174 diagram

Lawn & garden equipment engine carburetor primer bulb (replaces 49-085)

Part #36045A

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Lawn & Garden Equipment Engine Carburetor Gasket (replaces 27141) 26756
#184

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine carburetor gasket (replaces 27141)

Part #26756

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Starter 590737
Starter

Part #590737

Replaced by #590785

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This part replaces 590737. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Recoil Starter Housing 590695A
#11

Starter 590694 (71/143) diagram

Lawn & garden equipment engine recoil starter housing

Part #590695A

Replaced by #590785

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This part replaces 590695A. Substitute parts can look different from the original.
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Starter 590694
#0

Starter 590694 (71/143) diagram

Starter

Part #590694

Replaced by #590785

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This part replaces 590694. 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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How to replace a tiller drive belt

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Repair difficulty
Time required
 15 minutes or less
How to replace the tines on a rear-tine tiller

How to replace the tines on a rear-tine tiller

Badly worn tines cut through the soil less effectively. If the tines are bent, dull or worn, follow these steps to repla…

Repair difficulty
Time required
 30 minutes or less

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