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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
#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
#31
Optional pe gear housing diagram
Housing assembly, drive shaft (lower-pe)(includes items 32 & 33)
Part #61020649230
The manufacturer no longer makes this part, and there's no substitute part
#20
Starter/ignition/clutch/fuel system diagram
Lead
Part #16202152130
The manufacturer no longer makes this part, and there's no substitute part
Fitting tool
Part #89751801131
The manufacturer no longer makes this part, and there's no substitute part
#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
#A
Carburetor diagram
Kit
Part #12530013310
The manufacturer no longer makes this part, and there's no substitute part
#13
Gear housing/shield/tools diagram
Bolt 8x8
Part #90010008008
The manufacturer no longer makes this part, and there's no substitute part
#2
Optional pe gear housing diagram
Pin
Part #900300-20022
The manufacturer no longer makes this part, and there's no substitute part
Screw 5x35
Part #90024205035
The manufacturer no longer makes this part, and there's no substitute part
#24
Crankcase/fan housing/cover diagram
Model label
Part #89011256730
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
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
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
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…
Follow the steps in this video to replace a leaking fuel line in a line trimmer.…