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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 forWT4000 Line Trimmers

  • 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
    In Stock
    $9.26
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  • Husqvarna Line Trimmer Cutting Head Control Cable for Weed Eater WT4000 - Part 532181699

    Engine and wheels diagram

    Drive Control

    Part #181699

    Replaced by #532181699

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    Manufacturer substitution
    This part replaces 181699. Substitute parts can look different from the original.
    In Stock
    $36.80
    14% OFF Phone Price : $42.80Info Icon
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  • Lawn Mower Bolt for Weed Eater WT4000 - Part 532191574

    Engine and wheels diagram

    Handle Bolt

    Part #191574

    Replaced by #532191574

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    Manufacturer substitution
    This part replaces 191574. Substitute parts can look different from the original.
    In Stock
    $9.50
    10% OFF Phone Price : $10.50Info Icon
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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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    Manufacturer substitution
    This part replaces 149746. Substitute parts can look different from the original.
    In Stock
    $31.72
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  • Husqvarna Lawn Tractor Nut for Weed Eater WT4000 - Part 596322601

    Chassis and v-belt diagram

    Lock Nut

    Part #73800600

    Replaced by #596322601

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    Manufacturer substitution
    This part replaces 73800600. 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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  • Craftsman Lawn & Garden Equipment Screw for Weed Eater WT4000 - Part 532178848

    Screw.10-16

    Part #178848

    Replaced by #532178848

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    Manufacturer substitution
    This part replaces 178848. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.03
    17% OFF Phone Price : $6.03Info Icon
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  • Lawn Mower Idler Pulley for Weed Eater WT4000 - Part 532166042

    Chassis and v-belt diagram

    Husqvarna Lawn Mower Idler Pulley

    Part #166042

    Replaced by #532166042

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    Manufacturer substitution
    This part replaces 166042. Substitute parts can look different from the original.
    In Stock
    $54.46
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  • Husqvarna Lawn Tractor Bearing for Weed Eater WT4000 - Part 532110485

    Chassis and v-belt diagram

    Bearing

    Part #174549

    Replaced by #532110485

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    Manufacturer substitution
    This part replaces 174549. Substitute parts can look different from the original.
    In Stock
    $26.49
    18% OFF Phone Price : $32.49Info Icon
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  • Husqvarna Line Trimmer Idler Arm Return Spring for Weed Eater WT4000 - Part 532173811

    Chassis and v-belt diagram

    Line Trimmer Return Spring

    Part #173811

    Replaced by #532173811

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    Manufacturer substitution
    This part replaces 173811. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $6.52
    13% OFF Phone Price : $7.52Info Icon
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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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    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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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 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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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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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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