Gas Line Trimmer

Model # UT20811A Official Homelite gas line trimmer

Here are the diagrams and repair parts for Official Homelite UT20811A gas line trimmer, as well as links to manuals and error code tables, if available.

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Browse Parts for
UT20811A Line Trimmers
Push Nut UP04793
#18

Edger attachment diagram

Push nut

Part #UP04793

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

Screw UP04256
#13

Shaft/deflector (ut2081/811a) diagram

Screw

Part #UP04256

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

Handle Assembly UP06948
#24

Shaft/deflector (ut20811b) diagram

Handle assembly

Part #UP06948

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

Arbor Adapter UP04713
#7

Blower attachment diagram

Arbor adapter

Part #UP04713

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

Ring UP03838
#3

Engine internal (ut20811/811b diagram

Ring

Part #UP03838

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

Spool UP04273
#26

Shaft/deflector (ut2081/811a) diagram

Spool

Part #UP04273

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

Slotted Hex UP04569
#21

Edger attachment diagram

Slotted hex

Part #UP04569

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

Fuel Tank Assembly (ut20811a)(includes 7, 8a, 9a, 11, 12, 14) UP08034
#FA

Carburetor/fuel tank diagram

Fuel tank assembly (ut20811a)(includes 7, 8a, 9a, 11, 12, 14)

Part #UP08034

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

Clutch Kit UP00034
#8

Ignition/rotor/starter/clutch diagram

Clutch kit

Part #UP00034

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

Bushing Oi UP06876
#8

Blower attachment diagram

Bushing oi

Part #UP06876

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

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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.…

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…