Echo
Gas Chainsaw

Model # CS-400 Official Echo chainsaw

Here are the diagrams and repair parts for Official Echo CS-400 chainsaw, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 212 parts  |

Reel, Rope A506000030
#6

Starter diagram

Reel, rope

Part #A506000030

The manufacturer no longer makes this part, and there's no substitute part

Chainsaw Air Cleaner Assembly 13030039730
#8

Cylinder cover/ignition switch diagram

Chainsaw air cleaner assembly

Part #13030039730

The manufacturer no longer makes this part, and there's no substitute part

Bolt V203000110
#18

Chain brake diagram

Bolt

Part #V203000110

The manufacturer no longer makes this part, and there's no substitute part

Int Gasket V103000280
#31

Cylinder cover/ignition switch diagram

Int gasket

Part #V103000280

The manufacturer no longer makes this part, and there's no substitute part

Cushion (2) V400000050
#12

Handle/throttle control/engine cover diagram

Cushion (2)

Part #V400000050

The manufacturer no longer makes this part, and there's no substitute part

Spacer V376000450
#5

Chain brake diagram

Spacer

Part #V376000450

The manufacturer no longer makes this part, and there's no substitute part

Throttle Shaft Clip 12312703930
#12

Carburetor - wt-820 diagram

Throttle shaft clip

Part #12312703930

The manufacturer no longer makes this part, and there's no substitute part

Spanner-10mm 89501505260
#9

Tools diagram

Spanner-10mm

Part #89501505260

The manufacturer no longer makes this part, and there's no substitute part

Spring V452000220
#7

Starter diagram

Spring

Part #V452000220

The manufacturer no longer makes this part, and there's no substitute part

Washer 17721403930
#13

Chain brake diagram

Washer

Part #17721403930

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

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…

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

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

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 chainsaw fuel lines

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
How to replace a chainsaw carburetor

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

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.

What are the most common replacement parts for chainsaws?

What are the most common replacement parts for chainsaws?

Learn about the most common replacement parts for chainsaws and how they can help you fix chainsaw problems.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…