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Homelite
Gas Line Trimmer

Model # UT20703 Official Homelite trimmer/brushcutter

Here are the diagrams and repair parts for Official Homelite UT20703 trimmer/brushcutter, 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 91 parts  |
Trigger UP03015
#19

Ignition/rotor/starter diagram

Trigger

Part #UP03015

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

Gasket 08661
#11

Engine internal diagram

Gasket

Part #08661

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

Head A98231A
#20

Shaft/spool and string diagram

Head

Part #A98231A

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

Flat Washer 95479A
#6

Ignition/rotor/starter diagram

Flat washer

Part #95479A

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

Head Gear A04836D
#7

Shaft/spool and string diagram

Head gear

Part #A04836D

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

Screen 06502
#2

Muffler and air cleaner diagram

Screen

Part #06502

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

Screw 880841
#9

Engine internal diagram

Screw

Part #880841

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

Gasket 98766A
Gasket

Part #98766A

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

Housing UP03198
#4

Shaft/spool and string diagram

Housing

Part #UP03198

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

Spl&string UP00147
#22A

Shaft/spool and string diagram

Spl&string

Part #UP00147

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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