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Echo
Gas Line Trimmer

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

Here are the diagrams and repair parts for Official Echo SRM-2100SB-TYPE-1 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
$5.29
In Stock
Lock Nut 35232527630
#28

Drive shaft/handles/throttle diagram

Lock nut

Part #35232527630

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

Gas Cylinder 10101044332
Gas cylinder

Part #10101044332

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

Bolt 5 X 5 90010505055
#23

Intake/exhaust/air filter diagram

Bolt 5 x 5

Part #90010505055

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

Gas Fuel Cap 13101655830
#33

Starter/ignition/clutch/fuel system diagram

Gas fuel cap

Part #13101655830

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

Clip 90070600012
#19

Gear housing/shield/tools diagram

Clip

Part #90070600012

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

Nut 90050000005
Nut

Part #90050000005

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

Line Trimmer Throttle Trigger 17801052130
#9

Drive shaft/handles/throttle diagram

Line trimmer throttle trigger

Part #17801052130

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

Clutch Drum 17500548930
#17

Crankcase/fan housing/cover diagram

Clutch drum

Part #17500548930

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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