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Gas Line Trimmer

Model # UT20734R Official Homelite trimmer/brushcutter

Here are the diagrams and repair parts for Official Homelite UT20734R trimmer/brushcutter, as well as links to manuals and error code tables, if available.

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Browse Parts forUT20734R Line Trimmers

  • Nut UP04262
    #2

    Shaft/spool/string/grass deflector diagram

    Nut

    Part #UP04262

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

  • Cable UP03172
    #26

    Ignition/rotor/starter/clutch diagram

    Cable

    Part #UP03172

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

  • Trigger UP03207
    #25

    Ignition/rotor/starter/clutch diagram

    Trigger

    Part #UP03207

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

  • Spl&string UP00147
    #22A

    Shaft/spool/string/grass deflector diagram

    Spl&string

    Part #UP00147

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

  • Plug-sw UP03027
    #20

    Ignition/rotor/starter/clutch diagram

    Plug-sw

    Part #UP03027

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

  • Dust Mask UP03036

    #NI16

    All parts diagram

    Dust mask

    Part #UP03036

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

  • Head String DA04591A
    Head string

    Part #DA04591A

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

  • Ring PS01359
    #3

    Engine internal diagram

    Ring

    Part #PS01359

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

  • Bumper UP03501
    #12

    Carburetor/fuel tank diagram

    Bumper

    Part #UP03501

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

  • Machine Screw UP04258
    #4

    Muffler/air cleaner diagram

    Machine screw

    Part #UP04258

    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, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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…

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 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
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

Effective articles & videos to help repair your line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…

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