Echo
Gas Chainsaw

Model #CS-400 Echo chainsaw

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


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    Showing 10 of 212 parts

    Fitting Tool

    #6

    Tools Diagram

    Fitting tool

    Part #89751801131
    This item is not returnable
    $2.16

    In Stock

    Lawn & Garden Equipment Washer

    #11

    Cylinder cover/ignition switch Diagram

    Lawn & garden equipment washer

    Part #90060000005
    This item is not returnable
    $2.16

    In Stock

    Screw 4x8

    #2

    Exhaust Diagram

    Screw 4x8

    Part #90022004008
    This item is not returnable
    $2.16

    In Stock

    Bushing

    #6

    Ignition/flywheel Diagram

    Bushing

    Part #15011404920

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

    CUSHION (2)

    #17

    Cylinder cover/ignition switch Diagram

    Cushion (2)

    Part #35113439930

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

    Clamp Nut

    #23

    Chain brake Diagram

    Clamp nut

    Part #43301912330

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

    Pipe

    #7

    Auto-oiler Diagram

    Pipe

    Part #43721035430

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

    SPANNER-17X19MM

    #8

    Tools Diagram

    Spanner-17x19mm

    Part #89512220960

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

    L-WRENCH-5MM

    #13

    Tools Diagram

    L-wrench-5mm

    Part #89561100330

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

    L WRENCH 3MM

    #11

    Tools Diagram

    L wrench 3mm

    Part #89561203430

    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: 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.