Craftsman
Lawn & Garden Engine

Model # 143975004 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143975004 engine, as well as links to manuals and error code tables, if available.

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Troybilt Lawn & Garden Equipment Engine Air Filter 35066
#245

Engine (71,143) 143.975004 diagram

Troybilt lawn & garden equipment engine air filter

Part #35066

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Lawn Mower O-ring 631028
#29

Carburetor 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 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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Starter 590694
#390

Engine (71,143) 143.975004 diagram

Starter

Part #590694

Replaced by #590785

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Lamination 34443A
#100

Engine (71,143) 143.975004 diagram

Lamination

Part #34443A

Replaced by #34443D

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This part replaces 34443A. Substitute parts can look different from the original.
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Cap 36246
#301

Engine (71,143) 143.975004 diagram

Cap

Part #36246

Replaced by #37844

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Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Air Filter Collar Gasket 34338
#239

Engine (71,143) 143.975004 diagram

Troybilt lawn & garden equipment engine air filter collar gasket

Part #34338

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Float 632019
#28

Carburetor diagram

Float

Part #632019

Replaced by #632019A

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This part replaces 632019. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Oil Seal 27897
#75

Engine (71,143) 143.975004 diagram

Troybilt lawn & garden equipment engine oil seal

Part #27897

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Lawn & Garden Equipment Engine O-ring 34265
#306

Engine (71,143) 143.975004 diagram

Lawn & garden equipment engine o-ring

Part #34265

Replaced by #36832

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Manufacturer substitution
This part replaces 34265. Substitute parts can look different from the original.
This item is not returnable
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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

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Repair difficulty
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 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

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Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 minutes or less

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