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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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ALL PARTS
Showing 10 of 212 parts  |
Screw 5x20 (2) 9114505020
Screw 5x20 (2)

Part #9114505020

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

! 1 (spanish: + 1) N/P
! 1 (spanish: + 1)

Part #N/P

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

Screw 5x14 (2) V203000090
#11

Starter diagram

Screw 5x14 (2)

Part #V203000090

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

Check Valve 43611413930
#25

Handle/throttle control/engine cover diagram

Check valve

Part #43611413930

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

Grommet 17881014534
#27

Cylinder cover/ignition switch diagram

Grommet

Part #17881014534

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

Sawing Chain-16"-low Profile (gauge:.050"/pitch:.375") 91P57G
#3

Guide bar/sawing chain/kick guard diagram

Sawing chain-16"-low profile (gauge:.050"/pitch:.375")

Part #91P57G

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

Terminal Spark Plug Cap A426000010
#10

Ignition/flywheel diagram

Terminal spark plug cap

Part #A426000010

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

Spanner-17x19mm 89512220960
#8

Tools diagram

Spanner-17x19mm

Part #89512220960

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

Label-bar & Chain X524001810
#7

Labels diagram

Label-bar & chain

Part #X524001810

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

Screw, Clip (4) 12313002960
Screw, clip (4)

Part #12313002960

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.

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Why won't my chainsaw start?

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

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Why does my chainsaw run roughly?

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

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What should I do if my chainsaw leaks gas?

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

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Repair guides for gas chainsaws

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

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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…

Read more
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…

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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…

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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.

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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.…

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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.…

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