Gas Line Trimmer

Model # UT20593-A Official Homelite trimmer

Here are the diagrams and repair parts for Official Homelite UT20593-A trimmer, as well as links to manuals and error code tables, if available.

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Browse Parts for
UT20593-A Line Trimmers
Compound 23488C

#NI18

All parts diagram

Compound

Part #23488C

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

Clamp 98853
#14

Boom and head diagram

Clamp

Part #98853

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

Key 69250
#15

Engine and peripherals diagram

Key

Part #69250

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

Harness W/connector (gst, St-175bc, Hlt-17c) DA92703B
#42

Boom and head diagram

Harness w/connector (gst, st-175bc, hlt-17c)

Part #DA92703B

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

Spacer 035662
#63

Engine and peripherals diagram

Spacer

Part #035662

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

Screen-spark 98784A
#4

Engine and peripherals diagram

Screen-spark

Part #98784A

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

Swivel Kit A00289

#NI07

All parts diagram

Swivel kit

Part #A00289

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

Housing-drive Shaft (hlt-17c) A00774
#14D

Boom and head diagram

Housing-drive shaft (hlt-17c)

Part #A00774

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

Gasket 98765B
#78

Engine and peripherals diagram

Gasket

Part #98765B

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

Screw 88078
#28

Boom and head diagram

Screw

Part #88078

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

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

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

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.

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.…

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…

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.…