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Weed Eater WT4000 gas line trimmer

Weed Eater WT4000 gas line trimmer Parts

Here are the diagrams and repair parts for Weed Eater WT4000 gas line trimmer, as well as links to manuals and error code tables, if available.

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Browse Parts for WT4000 Line Trimmers

  • Husqvarna Line Trimmer Axle, 18-in for Weed Eater WT4000 - Part 592930001

    Engine and wheels diagram

    Axle Shaft

    Part #169787

    Replaced by #592930001

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    Manufacturer substitution
    This part replaces 169787. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $32.71
    15% OFF Phone Price : $38.71Info Icon
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  • Husqvarna Lawn Tractor Washer for Weed Eater WT4000 - Part 596238701

    Chassis and v-belt diagram

    Lock Washer

    Part #10040600

    Replaced by #596238701

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    Manufacturer substitution
    This part replaces 10040600. Substitute parts can look different from the original.
    This item is not returnable
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    $4.73
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  • Husqvarna Line Trimmer Retainer Ring for Weed Eater WT4000 - Part 532174581

    Chassis and v-belt diagram

    Snap Ring

    Part #174581

    Replaced by #532174581

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    Manufacturer substitution
    This part replaces 174581. Substitute parts can look different from the original.
    This item is not returnable
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    $4.88
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  • Line Trimmer Pulley Spacer for Weed Eater WT4000 - Part 532172551

    Chassis and v-belt diagram

    Pulley Spacer

    Part #172551

    Replaced by #532172551

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    This part replaces 172551. Substitute parts can look different from the original.
    This item is not returnable
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    $9.79
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  • Lawn & Garden Equipment Bolt for Weed Eater WT4000 - Part 874760620

    Chassis and v-belt diagram

    Hex Bolt

    Part #173716

    Replaced by #874760620

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    Manufacturer substitution
    This part replaces 173716. Substitute parts can look different from the original.
    This item is not returnable
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    $9.26
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  • Line Trimmer Handle for Weed Eater WT4000 - Part 169821X479

    Engine and wheels diagram

    Line Trimmer Handle

    Part #169821X479

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

  • Operator's Manual for Weed Eater WT4000 - Part 177817

    #NI01

    All parts diagram

    Operator's Manual

    Part #177817

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

  • Warning Decal for Weed Eater WT4000 - Part 174598

    Engine and wheels diagram

    Warning Decal

    Part #174598

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

  • Lock Washer for Weed Eater WT4000 - Part 850263

    Engine and wheels diagram

    Lock Washer

    Part #850263

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

  • Engine, Briggs & Stratton, Model #120k02 for Weed Eater WT4000 - Part N/P

    Engine and wheels diagram

    Engine, Briggs & Stratton, Model #120k02

    Part #N/P

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

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 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
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 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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