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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Browse Parts for
SRM-2100SB TYPE 1 Line Trimmers
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
Collar 12 30242452630
#42

Optional pe gear housing diagram

Collar 12

Part #30242452630

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

Shaft, Flexible (upper) 61001355630
#26

Drive shaft/handles/throttle diagram

Shaft, flexible (upper)

Part #61001355630

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

Cap, Hi Speed Limiter 12532939030
Cap, hi speed limiter

Part #12532939030

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

Throttle 17800352130
#5

Drive shaft/handles/throttle diagram

Throttle

Part #17800352130

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

Bolt 5x25 (2) 90014205025
#26

Crankcase/fan housing/cover diagram

Bolt 5x25 (2)

Part #90014205025

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

Circlip 10 90070600010
#8

Gear housing/shield/tools diagram

Circlip 10

Part #90070600010

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

Model Label 89011256730
#24

Crankcase/fan housing/cover diagram

Model label

Part #89011256730

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

Retaining Ring 20 10023855330
#8

Optional pe gear housing diagram

Retaining ring 20

Part #10023855330

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

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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

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.

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.…

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…

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.…