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Homelite
Gas Line Trimmer

Model # ST-385 Official Homelite trimmer

Here are the diagrams and repair parts for Official Homelite ST-385 trimmer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 168 parts  |
Carburetor A-00047-C
#27

Figure 1 - engine diagram

Carburetor

Part #A-00047-C

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

Shaft Seal 98800
#63

Figure 1 - engine diagram

Shaft seal

Part #98800

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

Cylinder A-00108
#10

Figure 1 - engine diagram

Cylinder

Part #A-00108

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

Screw 88078
#1

Handle assembly diagram

Screw

Part #88078

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

Lead A-98919
Lead

Part #A-98919

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

Tri-arc Blad D-98717-A
#21

Cutter head assembly diagram

Tri-arc blad

Part #D-98717-A

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

Handle Grip 00597-A
#41

Cutter head assembly diagram

Handle grip

Part #00597-A

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

Screw 82538
#55

Figure 1 - engine diagram

Screw

Part #82538

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

Filter 98913
#42

Figure 1 - engine diagram

Filter

Part #98913

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

Repair Kit A-00286-A

#NI

All parts diagram

Repair kit

Part #A-00286-A

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 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 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 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…

Read more
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 …

Read more
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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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…

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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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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…

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