Homelite
Gas Line Trimmer

Model #UT20003A Homelite 25-cc string trimmer

Here are the diagrams and repair parts for Homelite UT20003A 25-cc string trimmer, as well as links to manuals and error code tables, if available.


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Showing 10 of 89 parts

Line Trimmer Fuel Line Fitting

#16

Short block/carburetor/crankcase Diagram

Line trimmer fuel line fitting

Part #985304001
This item is not returnable
$2.52

In Stock

10-24x.75

#19

Short block/carburetor/crankcase Diagram

10-24x.75

Part #984812001
This item is not returnable
$2.16

In Stock

Fastening

#25

Curved shaft/spool/front handle Diagram

Fastening

Part #A09361
This item is not returnable
$2.27

In Stock

Lawn & Garden Equipment Screw

#11

Curved shaft/spool/front handle Diagram

Lawn & garden equipment screw

Part #82537
This item is not returnable
$2.16
16% OFFMSRP:$2.58

In Stock

Spring

#14

Short block/carburetor/crankcase Diagram

Spring

Part #95020A
This item is not returnable
$2.27

In Stock

Edger Guide

#27

Curved shaft/spool/front handle Diagram

Edger guide

Part #09311
This item is not returnable
$3.49

In Stock

Air Baffle

#34

Short block/carburetor/crankcase Diagram

Air baffle

Part #PS00326
This item is not returnable
$2.16

In Stock

Gasket

#3

Short block/carburetor/crankcase Diagram

Gasket

Part #984762001
This item is not returnable
$2.49

In Stock

Line Trimmer Spool Spring

#7

Curved shaft/spool/front handle Diagram

Line trimmer spool spring

Part #06713
This item is not returnable
$2.43

In Stock

Decal, War

#18

Curved shaft/spool/front handle Diagram

Decal, war

Part #984032001
This item is not returnable
$2.16

In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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
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 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
 30 minutes or less
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
 30 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
 30 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.

June 1, 2016

Tips for a hard-to-start grass line trimmer

By Sears PartsDirect staff

These tips may help you get your hard-to-start gas line trimmer running.

June 1, 2015

How to replace a line trimmer fuel line video

By Sears PartsDirect staff

Follow the steps in this video to replace a leaking fuel line in a line trimmer.

March 1, 2015

Easy DIY grass line trimmer repairs

By Sears PartsDirect staff

Learn about some very easy do-it-yourself repairs for a grass line trimmer.