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Model # 450 Official Husqvarna chainsaw
Here are the diagrams and repair parts for Official Husqvarna 450 chainsaw, as well as links to manuals and error code tables, if available.
Owner’s manualBy Schematic
SELECT DIAGRAM
Browse Parts for
450 Chainsaws
Tank cap assembly
Part #544111201
Replaced by #544111203
?
Manufacturer substitution
This part replaces 544111201. Substitute parts can look different from the original.
$10.87 |
16% OFF Phone Price : $12.87
In Stock
#2
Chain brake & clutch cover diagram
Eclip
Part #735310820
Replaced by #530038593
?
Manufacturer substitution
This part replaces 735310820. Substitute parts can look different from the original.
This item is not returnable
$5.97
In Stock
#4
Chain brake & clutch cover diagram
Cover gear c
Part #540063301
$9.97
In Stock
#7
Clutch & oil pump diagram
Chainsaw oil pump cylinder
Part #537154801
This item is not returnable
$19.97
In Stock
#12
Carburetor & air filter diagram
Chainsaw primer hose
Part #544401901
Replaced by #534138001
?
Manufacturer substitution
This part replaces 544401901. Substitute parts can look different from the original.
$7.97
In Stock
#1
Chain brake & clutch cover diagram
Chain assembly
Part #544097901
Replaced by #536329403
?
Manufacturer substitution
This part replaces 544097901. Substitute parts can look different from the original.
$62.20
In Stock
#8
Carburetor diagram
Screw
Part #503479601
$11.97
In Stock
#15
Carburetor diagram
Welch plug
Part #503535601
$7.97
In Stock
#17
Fuel tank diagram
Craftsman isolator assembly
Part #544101201
$25.97
In Stock
#2
Ignition system diagram
Starter pawl
Part #537245601
$9.97
In Stock
Symptoms for gas chainsaws
Choose a symptom to see related chainsaw repairs.
Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…
Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…
Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…
Repair guides for gas chainsaws
These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.
How to rebuild a chainsaw carburetor
If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…
Repair difficulty
Time required
15 minutes or less
How to replace a chainsaw carburetor
If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…
Repair difficulty
Time required
15 minutes or less
How to replace chainsaw fuel lines
The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…
Repair difficulty
Time required
15 minutes or less
Effective articles & videos to help repair your chainsaws
Use the advice and tips in these articles and videos to get the most out of your chainsaw.
Learn about the most common replacement parts for chainsaws and how they can help you fix chainsaw problems.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…