Homelite
Gas Line Trimmer

Model # UT20631 Official Homelite line trimmer

Here are the diagrams and repair parts for Official Homelite UT20631 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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Showing 10 of 167 parts  |

Coupler Assembly (incl. 24, 25, 26, 27, 28, 29) (ut20642, Z730ca) A-07901
Coupler assembly (incl. 24, 25, 26, 27, 28, 29) (ut20642, z730ca)

Part #A-07901

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

Warning Decal 04679
Warning decal

Part #04679

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

Handle A07159
Handle

Part #A07159

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

Spool Line DA02598C
#19B

Grass deflector kit diagram

Spool line

Part #DA02598C

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

Deflector A-04683-A
#22

Gear head diagram

Deflector

Part #A-04683-A

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

Screw 82459
Screw

Part #82459

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

Throttle Lever 06605
#25

Complete starter diagram

Throttle lever

Part #06605

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

Spring A98773A
#10

Complete starter diagram

Spring

Part #A98773A

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

Lawn & Garden Equipment Screw 80295
Lawn & garden equipment screw

Part #80295

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

Nut 93992
#14

Drive shaft housing diagram

Nut

Part #93992

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.

Top 10 electric lawn and garden tools for 2023

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…