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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.

Weed Eater WT4000 gas line trimmer
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Browse Parts for WT4000 Line Trimmers

  • Lawn Mower Idler Pulley for Weed Eater WT4000 - Part 532166043

    Chassis and v-belt diagram

    Husqvarna Lawn Mower Idler Pulley

    Part #166043

    Replaced by #532166043

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    This part replaces 166043. Substitute parts can look different from the original.
    In Stock
    $96.70
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  • Lawn & Garden Equipment Screw for Weed Eater WT4000 - Part 532149746

    Chassis and v-belt diagram

    Lawn & Garden Equipment Screw

    Part #149746

    Replaced by #532149746

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    This part replaces 149746. Substitute parts can look different from the original.
    In Stock
    $31.72
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  • Line Trimmer Belt Keeper for Weed Eater WT4000 - Part 532199574

    Chassis and v-belt diagram

    Belt Keeper

    Part #187336

    Replaced by #532199574

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    Manufacturer substitution
    This part replaces 187336. Substitute parts can look different from the original.
    This item is not returnable
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    $5.54
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  • Lawn & Garden Equipment Engine O-ring Kit for Weed Eater WT4000 - Part 532428450

    Engine and wheels diagram

    Wave Washer

    Part #57143

    Replaced by #532428450

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    This part replaces 57143. Substitute parts can look different from the original.
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    $25.60
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  • 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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    This part replaces 169787. Substitute parts can look different from the original.
    This item is not returnable
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    $32.71
    15% OFF Phone Price : $38.71Info Icon
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  • Lawn & Garden Equipment Washer for Weed Eater WT4000 - Part 532851074

    Engine and wheels diagram

    Husqvarna Lawn & Garden Equipment Washer

    Part #851074

    Replaced by #532851074

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    This part replaces 851074. Substitute parts can look different from the original.
    In Stock
    $8.63
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  • Spacer.fixed.spindle for Weed Eater WT4000 - Part 583079201

    Chassis and v-belt diagram

    Spacer Key35

    Part #172635

    Replaced by #583079201

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    This part replaces 172635. Substitute parts can look different from the original.
    In Stock
    $35.70
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  • Husqvarna Lawn Tractor Nut for Weed Eater WT4000 - Part 596322601

    Chassis and v-belt diagram

    Lock Nut

    Part #751592

    Replaced by #596322601

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    Manufacturer substitution
    This part replaces 751592. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.87
    15% OFF Phone Price : $6.87Info Icon
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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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    Manufacturer substitution
    This part replaces 172551. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.79
    9% OFF Phone Price : $10.79Info Icon
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  • Mow Ball Assembly for Weed Eater WT4000 - Part 532182217

    Chassis and v-belt diagram

    Husqvarna Line Trimmer Mow Ball

    Part #182217

    Replaced by #532182217

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    Manufacturer substitution
    This part replaces 182217. Substitute parts can look different from the original.
    In Stock
    $48.95
    11% OFF Phone Price : $54.95Info Icon
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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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