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Homelite UT20773 trimmer/brushcutter Parts

Here are the diagrams and repair parts for Homelite UT20773 trimmer/brushcutter, as well as links to manuals and error code tables, if available.

Homelite UT20773 trimmer/brushcutter
By Schematic
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Browse Parts for UT20773 Line Trimmers

  • Air Filter A for Homelite UT20773 - Part UP04741A

    Muffler/air cleaner diagram

    Filter Assembly

    Part #UP04741

    Replaced by #UP04741A

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    Manufacturer substitution
    This part replaces UP04741. Substitute parts can look different from the original.
    In Stock
    $14.06
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  • Starter Rope for Homelite UT20773 - Part 900849002

    Rope

    Part #UP03912

    Replaced by #900849002

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    Manufacturer substitution
    This part replaces UP03912. Substitute parts can look different from the original.
    In Stock
    $25.57
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  • Bolt,hex Hd. for Homelite UT20773 - Part 82278

    Shaft/spool/string/grass deflector diagram

    Hex Head B

    Part #UP04154

    Replaced by #82278

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    Manufacturer substitution
    This part replaces UP04154. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
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  • Short Block for Homelite UT20773 - Part 984561001

    Short Block

    Part #UP02995

    Replaced by #984561001

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    Manufacturer substitution
    This part replaces UP02995. Substitute parts can look different from the original.
    In Stock
    $91.49
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    Qty
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  • Handle Bar C for Homelite UT20773 - Part 00422

    Shaft/spool/string/grass deflector diagram

    Clamp

    Part #UP04105

    Replaced by #00422

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    Manufacturer substitution
    This part replaces UP04105. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
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    Qty
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  • Lead,electri for Homelite UT20773 - Part PA00387

    Lead

    Part #UP03174

    Replaced by #PA00387

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    Manufacturer substitution
    This part replaces UP03174. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $4.34
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  • Screw Thd. F for Homelite UT20773 - Part 82513

    Muffler/air cleaner diagram

    Screw

    Part #UP04082

    Replaced by #82513

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    Manufacturer substitution
    This part replaces UP04082. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
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    Qty
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  • Adapter Shaf for Homelite UT20773 - Part 04355

    Shaft/spool/string/grass deflector diagram

    Shaft

    Part #UP04128

    Replaced by #04355

    Info Icon
    Manufacturer substitution
    This part replaces UP04128. Substitute parts can look different from the original.
    In Stock
    $13.77
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    Qty
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  • Spring Compr for Homelite UT20773 - Part 06713

    Head Spring

    Part #UP06526

    Replaced by #06713

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    Manufacturer substitution
    This part replaces UP06526. Substitute parts can look different from the original.
    In Stock
    $25.57
    Minus Item
    Qty
    Plus Item
  • Washer - Fla for Homelite UT20773 - Part 678013001

    Shaft/spool/string/grass deflector diagram

    Washer

    Part #UP04251

    Replaced by #678013001

    Info Icon
    Manufacturer substitution
    This part replaces UP04251. Substitute parts can look different from the original.
    In Stock
    $25.57
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Most common symptoms to help you fix your 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 leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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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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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…

Read more

Repair time and Difficulty

 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 time and Difficulty

 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 time and Difficulty

 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.

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Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

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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…

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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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