Lawn & Garden Engine

Model # 143285022 Official Craftsman 4-cycle engine

Here are the diagrams and repair parts for Official Craftsman 143285022 4-cycle engine, as well as links to manuals and error code tables, if available.

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143285022 4-Cycle Engine
Needle Seat 631021
#12

Carburetor 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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Starter Rope 590386
#9

Rewind starter diagram

Starter rope

Part #590386

Replaced by #590535

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Manufacturer substitution
This part replaces 590386. Substitute parts can look different from the original.
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Gasket 27110
#21

Carburetor 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
#105

Replacement parts diagram

Troybilt lawn & garden equipment engine fuel line clamp

Part #26460

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Carburetor Float 631023
#14

Carburetor diagram

Carburetor float

Part #631023

Replaced by #632019A

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Manufacturer substitution
This part replaces 631023. Substitute parts can look different from the original.
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Troybilt Lawn & Garden Equipment Engine Oil Seal 27897
#26

Replacement parts diagram

Troybilt lawn & garden equipment engine oil seal

Part #27897

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Fuel Bowl 631025
#16

Carburetor diagram

Fuel bowl

Part #631025

Replaced by #631867

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Manufacturer substitution
This part replaces 631025. Substitute parts can look different from the original.
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$3.49
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Generac Lawn & Garden Equipment Engine Service Manual (replaces 692509, 730546, 740048) 740049
#NI

Replacement parts diagram

Generac lawn & garden equipment engine service manual (replaces 692509, 730546, 740048)

Part #740049

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Throttle Spring 631279
#2

Carburetor diagram

Throttle spring

Part #631279

Replaced by #631767

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Manufacturer substitution
This part replaces 631279. Substitute parts can look different from the original.
This item is not returnable
$2.49
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Gasket 33670
#122

Replacement parts diagram

Gasket

Part #33670

Replaced by #35865

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Manufacturer substitution
This part replaces 33670. 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

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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What are the main components of a lawn mower?

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