McCulloch
Gas Chainsaw

Model #CS340 McCulloch chainsaw

Here are the diagrams and repair parts for McCulloch CS340 chainsaw, as well as links to manuals and error code tables, if available.


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Showing 10 of 120 parts

Lawn & Garden Equipment Engine Fuel Filter

#26

Crankcase Diagram

Lawn & garden equipment engine fuel filter

Part #530095646
This item is not returnable
$3.81

In Stock

Chainsaw Fuel Line Fitting

#18

Crankcase Diagram

Chainsaw fuel line fitting

Part #530023877
This item is not returnable
$2.64 | 
31% OFF MSRP:$3.80

In Stock

Chainsaw Bar Adjuster Screw

#6

Chain brake/clutch cover-cs 340 Diagram

Chainsaw bar adjuster screw

Part #530069611
This item is not returnable
$3.72 | 
11% OFF MSRP:$4.20

In Stock

Lawn & Garden Equipment Nut

#14

Chain brake/clutch cover-cs 340 Diagram

Lawn & garden equipment nut

Part #530015917
This item is not returnable
$3.01 | 
6% OFF MSRP:$3.20

In Stock

Lawn & Garden Equipment Screw

#11

Handle Diagram

Lawn & garden equipment screw

Part #530016432
This item is not returnable
$3.50

In Stock

Chainsaw Recoil Starter Hub Spring

#3

Starter Diagram

Chainsaw recoil starter hub spring

Part #530021180
This item is not returnable
$5.27

In Stock

Chainsaw Chain Brake Assembly

#1

Chain brake/clutch cover-cs 340 Diagram

$39.98 | 
11% OFF MSRP:$45.00

In Stock

Chainsaw Air Filter

#4

Carburetor & air filter Diagram

Chainsaw air filter

Part #545061801
This item is not returnable
$3.34

In Stock

Lawn & Garden Equipment Screw

#4

Starter Diagram

Lawn & garden equipment screw

Part #530016080
This item is not returnable
$3.77

In Stock

Chainsaw Bar Adjuster Knob

#2

Chain brake/clutch cover-cs 380 Diagram

Chainsaw bar adjuster knob

Part #579107301
This item is not returnable
$3.33

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: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings
Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor

Repair guides for gas chainsaws

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

February 1, 2014
By Lyle Weischwill
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 rebuild it, using a carburetor rebuild kit. This repair guide takes you through the process.

Repair difficulty
Time required
 15 minutes or less
February 1, 2014
By Lyle Weischwill
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 easier to replace the carburetor than to clean it and rebuild it. Follow these steps to do the job yourself in about half an hour.

Repair difficulty
Time required
 15 minutes or less
February 1, 2014
By Lyle Weischwill
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 experience. These instructions show you how.

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas chainsaws

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

June 1, 2016

Chainsaw care and troubleshooting tips

By Sears PartsDirect staff

Learn the basics of taking care of your chainsaw and solving common problems.

March 1, 2016

How to sharpen a chainsaw

By Jeff Day

Find out how to sharpen a chainsaw.

May 1, 2015

5 tips for a hard-to-start chainsaw

By Sears PartsDirect staff

These tips may help you get your hard-to-start chainsaw running.