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
Line Trimmer Fuel Cap 13100455830
#32

Starter/ignition/clutch/fuel system diagram

Line trimmer fuel cap

Part #13100455830

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

Oil Seal 61041307130
#3

Gear housing/shield/tools diagram

Oil seal

Part #61041307130

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

Bearing, Ball (2) 90081036201
#14

Crankcase/fan housing/cover diagram

Bearing, ball (2)

Part #90081036201

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

Lawn & Garden Equipment Nut 21041752730
#7

Intake/exhaust/air filter diagram

Lawn & garden equipment nut

Part #21041752730

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

Intake Gasket 13001642031
Intake gasket

Part #13001642031

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

Screw 5 X 14 90024205014
#3

Drive shaft/handles/throttle diagram

Screw 5 x 14

Part #90024205014

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

Bearing 90080000609
Bearing

Part #90080000609

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

Grip, Front Handle 35121351730
#12

Drive shaft/handles/throttle diagram

Grip, front handle

Part #35121351730

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

Bearing, Ball 626 90081400629
#11

Optional pe gear housing diagram

Bearing, ball 626

Part #90081400629

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…