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Homelite
Gas Line Trimmer

Model # UT20811B Official Homelite gas line trimmer

Here are the diagrams and repair parts for Official Homelite UT20811B gas line 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 165 parts  |
Spark Plug UP03883
#3

Ignition/rotor/starter/clutch diagram

Spark plug

Part #UP03883

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

Driveshaft Housing (upper) UP06944
#7

Shaft/deflector (ut20811b) diagram

Driveshaft housing (upper)

Part #UP06944

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

Retainer UP00104
#23

Shaft/deflector (ut20811b) diagram

Retainer

Part #UP00104

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

Housing Head Cup UP06567
Housing head cup

Part #UP06567

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

Edge Wheel UP06882
#16

Edger attachment diagram

Edge wheel

Part #UP06882

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

Gasket UP03916
Gasket

Part #UP03916

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

Clutch UP04103
#11

Ignition/rotor/starter/clutch diagram

Clutch

Part #UP04103

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

Support Ar UP06881
#12

Edger attachment diagram

Support ar

Part #UP06881

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

Tubing-rubber (7.75") UP08033
#9A

Carburetor/fuel tank diagram

Tubing-rubber (7.75")

Part #UP08033

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

Black Guard UP04145
#17

Blower attachment diagram

Black guard

Part #UP04145

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 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 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 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 …

Read more
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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Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & 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.…

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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…

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