Homelite
Gas Line Trimmer

Model # UT20023A Official Homelite 25-cc string trimmer

Here are the diagrams and repair parts for Official Homelite UT20023A 25-cc string 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 89 parts  |

Heat Shield 984743001
#35

Short block/carburetor/crankcase diagram

Heat shield

Part #984743001

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

Cable 0883202
#9

Curved shaft/spool/front handle diagram

Cable

Part #0883202

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

Nut 81208
#7

Short block/carburetor/crankcase diagram

Nut

Part #81208

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

Screw 093221
#4

Short block/carburetor/crankcase diagram

Screw

Part #093221

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

Carburetor 985624001
#11

Short block/carburetor/crankcase diagram

Carburetor

Part #985624001

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

Air Box Cover PS02156
#10

Short block/carburetor/crankcase diagram

Air box cover

Part #PS02156

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

Ignition Module 94711C
#26

Short block/carburetor/crankcase diagram

Ignition module

Part #94711C

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

Decal Manual 985294001
#21

Curved shaft/spool/front handle diagram

Decal manual

Part #985294001

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

Line Trimmer Screw 983823001
#4

Curved shaft/spool/front handle diagram

Line trimmer screw

Part #983823001

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

Fastening A09361
#25

Curved shaft/spool/front handle diagram

Fastening

Part #A09361

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, 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 carbure…

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.

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Top 10 electric lawn and garden tools for 2023

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

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.…

Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this help…