Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
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.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for WT4000 Line Trimmers

  • Lawn & Garden Equipment Screw for Weed Eater WT4000 - Part 532149746

    Chassis and v-belt diagram

    Lawn & Garden Equipment Screw

    Part #149746

    Replaced by #532149746

    Info Icon
    Manufacturer substitution
    This part replaces 149746. Substitute parts can look different from the original.
    In Stock
    $31.72
    Minus Item
    Qty
    Plus Item
  • Line Trimmer Belt Keeper for Weed Eater WT4000 - Part 532199574

    Chassis and v-belt diagram

    Belt Keeper

    Part #187336

    Replaced by #532199574

    Info Icon
    Manufacturer substitution
    This part replaces 187336. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.54
    Minus Item
    Qty
    Plus Item
  • Husqvarna Lawn Tractor Nut for Weed Eater WT4000 - Part 596322601

    Chassis and v-belt diagram

    Lock Nut

    Part #73800600

    Replaced by #596322601

    Info Icon
    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
    Minus Item
    Qty
    Plus Item
  • Husqvarna Line Trimmer Axle, 18-in for Weed Eater WT4000 - Part 592930001

    Engine and wheels diagram

    Axle Shaft

    Part #169787

    Replaced by #592930001

    Info Icon
    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
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Bolt for Weed Eater WT4000 - Part 874760620

    Chassis and v-belt diagram

    Hex Bolt

    Part #173716

    Replaced by #874760620

    Info Icon
    Manufacturer substitution
    This part replaces 173716. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.26
    Minus Item
    Qty
    Plus Item
  • Husqvarna Line Trimmer Mow Ball Bolt for Weed Eater WT4000 - Part 532180334

    Chassis and v-belt diagram

    Line Trimmer Mow Ball Bolt

    Part #180334

    Replaced by #532180334

    Info Icon
    Manufacturer substitution
    This part replaces 180334. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $12.02
    14% OFF Phone Price : $14.02Info Icon
    Minus Item
    Qty
    Plus Item
  • Spacer.fixed.spindle for Weed Eater WT4000 - Part 583079201

    Chassis and v-belt diagram

    Spacer Key35

    Part #172635

    Replaced by #583079201

    Info Icon
    Manufacturer substitution
    This part replaces 172635. Substitute parts can look different from the original.
    In Stock
    $35.70
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine O-ring Kit for Weed Eater WT4000 - Part 532428450

    Engine and wheels diagram

    Wave Washer

    Part #57143

    Replaced by #532428450

    Info Icon
    Manufacturer substitution
    This part replaces 57143. Substitute parts can look different from the original.
    In Stock
    $25.60
    Minus Item
    Qty
    Plus Item
  • Husqvarna Lawn Tractor Nut for Weed Eater WT4000 - Part 596322601

    Chassis and v-belt diagram

    Lock Nut

    Part #751592

    Replaced by #596322601

    Info Icon
    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
    Minus Item
    Qty
    Plus Item
  • Husqvarna Line Trimmer Cutting Head Assembly for Weed Eater WT4000 - Part 532174543

    Chassis and v-belt diagram

    High-wheel Line Trimmer Spindle Housing Assembly

    Part #174543

    Replaced by #532174543

    Info Icon
    Manufacturer substitution
    This part replaces 174543. Substitute parts can look different from the original.
    In Stock
    $69.83
    8% OFF Phone Price : $75.83Info Icon
    Minus Item
    Qty
    Plus Item

Most common symptoms to help you fix your line trimmers

Choose a symptom to see related grass line trimmer repairs.

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…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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 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 …

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…

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.

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…

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…

Parts & More

Band Saw
Canister Vacuum
Chipper/Shredder
Cycling
Dishwasher
Dryer
Gas Walk-Behind Mower
Hammer Drill
Hedge Trimmer
Laundry Center
Parts
Power Sander
Range
Refrigerator
Room Air Conditioner
Router
Tool Chest
Treadmill
Washer