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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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  • 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”.

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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

?
Manufacturer substitution
This part replaces 15901010630. Substitute parts can look different from the original.
This item is not returnable
$5.29
In Stock
Nozzle, Check Valve 12537649030
#33

Carburetor diagram

Nozzle, check valve

Part #12537649030

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

Shield 69900040931
#21A

Gear housing/shield/tools diagram

Shield

Part #69900040931

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

Seal 10021242030
#12

Crankcase/fan housing/cover diagram

Seal

Part #10021242030

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

Label, Echo 89011848830
#27

Gear housing/shield/tools diagram

Label, echo

Part #89011848830

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

Adapter Plate 61031347731
#2

Gear housing/shield/tools diagram

Adapter plate

Part #61031347731

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

Caution Label 89016048030
#28

Optional pe gear housing diagram

Caution label

Part #89016048030

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

Bolt 90016204016
#21

Crankcase/fan housing/cover diagram

Bolt

Part #90016204016

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

Base, Purge 12538313310
Base, purge

Part #12538313310

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

Gasket Kit 88900042031

#NI02

All parts diagram

Gasket kit

Part #88900042031

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 …

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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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