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Homelite
Gas Line Trimmer

Model # ST-175C Official Homelite trimmer

Here are the diagrams and repair parts for Official Homelite ST-175C trimmer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 215 parts  |
Muffler Gasket 98786-B
#8

Figure 1 diagram

Muffler gasket

Part #98786-B

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

Washer 98836
#34

Figure 3 diagram

Washer

Part #98836

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

Blade 00075
Blade

Part #00075

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

String Housing A-00144
#25

Figure 5 diagram

String housing

Part #A-00144

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

Throttle Switch A-00738
#5

Figure 5 diagram

Throttle switch

Part #A-00738

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

Screw 82540
#69

Figure 1 diagram

Screw

Part #82540

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

Housing Eyelet A-98231-A
Housing eyelet

Part #A-98231-A

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

Line Trimmer Warning Decal 00308
#13

Figure 4 diagram

Line trimmer warning decal

Part #00308

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

Hex Nut 81261
#19

Figure 2 diagram

Hex nut

Part #81261

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

Cut Off Blade 00074
#19

Figure 4 diagram

Cut off blade

Part #00074

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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