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Echo
Gas Line Trimmer

Model # SRM-2100SB Official Echo trimmer/brushcutter

Here are the diagrams and repair parts for Official Echo SRM-2100SB trimmer/brushcutter, 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 223 parts  |
Spark Plug 15901010630
#3

Starter/ignition/clutch/fuel system diagram

Spark plug

Part #15901010630

Replaced by #6703

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Manufacturer substitution
This part replaces 15901010630. Substitute parts can look different from the original.
This item is not returnable
$5.29
In Stock
Intake Gasket 13001642031
Intake gasket

Part #13001642031

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

Screw 5x25 90024205025
#8

Drive shaft/handles/throttle diagram

Screw 5x25

Part #90024205025

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

Flywheel (s/n 007700 & Up Type 1/ S/n 501001 & Up Type 1e) 15680109660
#18A

Starter/ignition/clutch/fuel system diagram

Flywheel (s/n 007700 & up type 1/ s/n 501001 & up type 1e)

Part #15680109660

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

Screw 4 X 20 (2) 90008000200
#37

Optional pe gear housing diagram

Screw 4 x 20 (2)

Part #90008000200

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

Neelde, Lo Speed 12531813310
#14

Carburetor diagram

Neelde, lo speed

Part #12531813310

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

Retainer, Purge Pump 12536311610
Retainer, purge pump

Part #12536311610

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

Carburetor 12520013312
Carburetor

Part #12520013312

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

Lawn Mower Throttle Cable 17800144430
#38

Drive shaft/handles/throttle diagram

Lawn mower throttle cable

Part #17800144430

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

Lead 15660152130
#21

Starter/ignition/clutch/fuel system diagram

Lead

Part #15660152130

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.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure...

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings...

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Why does my gas line trimmer leak gas?

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

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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.

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How to rebuild a line trimmer carburetor

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...

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Repair difficulty
Time required
15 minutes or less
How to replace a line trimmer carburetor

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 ...

Read more
Repair difficulty
Time required
15 minutes or less
How to replace a line trimmer fuel line

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 yours...

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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.

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

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

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

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li...

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer....

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