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Homelite
Gas Line Trimmer

Model # ST-185 Official Homelite trimmer

Here are the diagrams and repair parts for Official Homelite ST-185 trimmer, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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 155 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

Gasket A-01197

#NI

All parts diagram

Gasket

Part #A-01197

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

Decal 98943
#30

Figure 1 - engine diagram

Decal

Part #98943

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

Tri-arc Blad D-98717-A
#33

Figure 3 diagram

Tri-arc blad

Part #D-98717-A

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

Line Trimmer Housing 98732-1A
#24

Figure 3 diagram

Line trimmer housing

Part #98732-1A

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

Trigger 98772-A
#8

Figure 3 diagram

Trigger

Part #98772-A

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

Connector 98795
#78

Figure 1 - engine diagram

Connector

Part #98795

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

(ut-04005) Eagle (no.67) (name 5-15r, Single) N/P

#NI

All parts diagram

(ut-04005) eagle (no.67) (name 5-15r, single)

Part #N/P

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

Screw 82522
#87

Figure 1 - engine diagram

Screw

Part #82522

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

Blade Saw DA-00714
#48

Figure 3 diagram

Blade saw

Part #DA-00714

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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