Husqvarna 340 Chainsaw Parts

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Illustrated parts lookup for Husqvarna 340 chainsaw models. Parts lists are in order by publication date.

Husqvarna 340 Chainsaw

Husqvarna 340 specs

First production year: 1977  
Last production year: 2007  
Displacement: 40cc  
Cylinder diameter: 40mm  
RPM: (varies - see owners manual)  
Fuel mix ratio: 40:1


Husqvarna 340 chainsaw parts diagram


Husqvarna 340SE and 340SG Chainsaws 08 - 1977  

Husqvarna 340SE and 340SG Chainsaws 11 - 1977  

Husqvarna 340SE and 340SG Chainsaws 08 - 1978  

Husqvarna 340 and 345 Chainsaws 06 - 1998  

Husqvarna 340, 340 EPA 345 and 345 EPA Chainsaws 09 - 1999  

Husqvarna 340, 340 EPA, 345, 345 EPA, 350 and 350 EPA Chainsaws 09 - 2001  

Husqvarna 340, 340 EPA, 345, 345 EPA, 350 and 350 EPA Chainsaws 01 - 2003  

Husqvarna 340, 340 EPA, 345, 345 EPA, 350 and 350 EPA Chainsaws 03 - 2004  

Husqvarna 340, 340e, 345e and 350 Chainsaws 05 - 2005  

Husqvarna 340, 340e, 345e, 350 and 350 EPA Chainsaws 06 - 2006  

Husqvarna 340, 345 and 350 Chainsaws 01 - 2007  


The parts listed below may not apply to all earlier 340, 340EPA, 340SE and 3340SG models. For earlier models please confirm part numbers in the PDF parts lists above.


537 02 40-01 / 537 02 40-02 / 537 02 40-03 air filter

503 22 00-01 bar nuts

503 90 59-01 bucking spike

503 28 32-08 Zama C3-EL18B carburetor

537 07 12-01 chain adjuster

503 85 09-01 chain brake handle

503 86 96-01 choke lever

537 11 05-03 clutch

503 87 30-72 clutch drum (.325x7)

503 86 95-02 control switch

503 87 00-76 cylinder (40mm)

537 21 52-02 fuel cap

503 44 32-01 fuel filter

544 32 50-02 fuel line

503 86 37-03 fuel tank

503 85 37-01 handle bar

544 04 70-01 ignition coil

503 87 96-02 muffler

537 28 15-02 oil cap

503 87 01-02 piston kit (40mm)

544 11 62-01 piston ring (40mm)

503 23 51-08 Champion RCJ7Y spark plug

501 48 54-02 spark plug boot

537 10 47-02 starter assembly

537 23 25-01 / 503 54 39-01 starter handle

537 09 31-01 starter spring

503 85 45-01 trigger

503 85 44-01 trigger lock