Homelite
Gas Line Trimmer

Model #ST-175 Official Homelite trimmer

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

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

Showing 10 of 215 parts

Lawn & Garden Equipment Engine Spark Plug#14A

Figure 1 Diagram

Spark plug

Part #79252
Replaced by #RDJ7Y
?
Manufacturer substitution
This part replaces 79252. Substitute parts can look different from the original.
This item is not returnable
In Stock
$6.39 | 
21% OFF 
MSRP: $8.10
Washer#16

Figure 2 Diagram

Washer

Part #84006

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

Screw#36

Figure 5 Diagram

Screw

Part #00605
Replaced by #UP04107
?
Manufacturer substitution
This part replaces 00605. Substitute parts can look different from the original.
This item is not returnable
In Stock
$2.88
Screw

See All Related Diagrams

Screw

Part #88078

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

Nut

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Nut

Part #93992

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

Washer#15

Figure 2 Diagram

Washer

Part #83009

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

Leaf Blower Fuel Line, 8-in#39

Figure 1 Diagram

Tubing

Part #01439-32
Replaced by #0143932
?
Manufacturer substitution
This part replaces 01439-32. Substitute parts can look different from the original.
This item is not returnable
In Stock
$4.49
Nut

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Nut

Part #81208

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

Screw

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Screw

Part #82260

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

Screw#25

Figure 3 Diagram

Screw

Part #80681-3

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: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank
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 carburetor

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.

October 1, 2013
By Lyle Weischwill
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 these instructions to do the job in under 30 minutes.

Repair difficulty
Time required
 15 minutes or less
October 1, 2013
By Lyle Weischwill
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 instructions to replace the carburetor in under 30 minutes.

Repair difficulty
Time required
 15 minutes or less
October 1, 2013
By Lyle Weischwill
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 yourself, following these instructions.

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.

February 11, 2023

Top 10 electric lawn and garden tools for 2023

By Lyle Weischwill

Learn about the top 10 must-have electric lawn & garden tools for 2023

August 30, 2022

How to enjoy all the online benefits we offer on our Sears PartsDirect website

By Lyle Weischwill

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.

March 1, 2016

Grass line trimmer maintenance checklist

By Lyle Weischwill

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this helpful maintenance checklist.