Echo
Gas Line Trimmer

Model #SRM-2100SB TYPE 1 Official Echo trimmer/brushcutter

Here are the diagrams and repair parts for Echo SRM-2100SB-TYPE-1 trimmer/brushcutter, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

    Showing 10 of 223 parts

    Spark Plug#3

    Starter/ignition/clutch/fuel system Diagram

    Spark plug

    Part #15901010630
    Replaced by #BPM7A
    ?
    Manufacturer substitution
    This part replaces 15901010630. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.90
    Spring#6

    Starter/ignition/clutch/fuel system Diagram

    Spring

    Part #17723442030

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

    BOLT 8X8#13

    Gear housing/shield/tools Diagram

    Bolt 8x8

    Part #90010008008

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

    Fuel Line#28

    Starter/ignition/clutch/fuel system Diagram

    Fuel line

    Part #13201013930

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

    RETAINER, PURGE PUMP

    See All Related Diagrams

    Retainer, purge pump

    Part #12536311610

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

    SHEILD, BLADE#34

    Optional pe gear housing Diagram

    Sheild, blade

    Part #69901052830

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

    Screw#21

    Intake/exhaust/air filter Diagram

    Screw

    Part #90023804010

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

    Wing Nut#43

    Optional pe gear housing Diagram

    Wing nut

    Part #17811355330

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

    WRENCH, W/SCREWDRIVER

    See All Related Diagrams

    Wrench, w/screwdriver

    Part #89541008030

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

    Edger Fuel Return Line#27

    Starter/ignition/clutch/fuel system Diagram

    Edger fuel return line

    Part #13201056330

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

    Symptoms for gas line trimmers

    Choose a symptom to see related grass line trimmer repairs.

    Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank
    Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings
    Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carburetor

    Repair guides for gas line trimmers

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

    October 1, 2013
    By Lyle Weischwill
    How to rebuild a line trimmer carburetor

    If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to do the job in under 30 minutes.

    Repair difficulty
    Time required
     15 minutes or less
    October 1, 2013
    By Lyle Weischwill
    How to replace a line trimmer carburetor

    If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to replace the carburetor in under 30 minutes.

    Repair difficulty
    Time required
     15 minutes or less
    October 1, 2013
    By Lyle Weischwill
    How to replace a line trimmer fuel line

    The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yourself, following these instructions.

    Repair difficulty
    Time required
     15 minutes or less

    Articles and videos for gas line trimmers

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

    August 30, 2022

    How to enjoy all the online benefits we offer on our Sears PartsDirect website

    By Lyle Weischwill

    Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.

    June 1, 2016

    Tips for a hard-to-start grass line trimmer

    By Lyle Weischwill

    These tips may help you get your hard-to-start gas line trimmer running.

    March 1, 2016

    Grass line trimmer maintenance checklist

    By Lyle Weischwill

    Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this helpful maintenance checklist.