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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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
In Stock
Edger Fuel Return Line 13201056330
#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

Gear Housing 61046027430
#11

Gear housing/shield/tools diagram

Gear housing

Part #61046027430

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

Screw 8 (2) 90008000100
#47

Optional pe gear housing diagram

Screw 8 (2)

Part #90008000100

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

Screw 90024205016
#22

Gear housing/shield/tools diagram

Screw

Part #90024205016

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

Label, Alignment 89015204930
Label, alignment

Part #89015204930

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

Ignition Switch 16340155630
#4

Drive shaft/handles/throttle diagram

Ignition switch

Part #16340155630

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

Guard 15991254130
#30

Crankcase/fan housing/cover diagram

Guard

Part #15991254130

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

Gear Case 61041055330
#22

Optional pe gear housing diagram

Gear case

Part #61041055330

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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 carbure…

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

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.

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…

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 …

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…

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.

Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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.…

Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…