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Top parts for:
Weed Eater
Model # WT4000
Husqvarna Line Trimmer Drive Belt, 3/8 x 21-3/4-in

Line Trimmer Belt

Part #185476

Get free shipping with Automatic Reorder

$31.23 | 
14% OFF Phone Price : $36.32
Husqvarna Lawn Mower Lock Nut, 3/8-in

Lock Nut

Part #83923

$2.49 | 
29% OFF Phone Price : $3.49

Walk-Behind Mower Repair guides

walk-behind-mower
Walk-Behind Mower type
Gas

Repair guides for gas walk-behind mowers

How to replace a lawn mower spark plug
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

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Repair difficulty
Time required
 60 minutes or less
How to rebuild a lawn mower carburetor
March 01, 2016
By Lyle Weischwill

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower carburetor
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive belt
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower drive belt

Learn how to replace the drive belt on your lawn mower if it's worn or broken and won't drive the mower.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower front deck tray
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower ignition coil on an OHV engine
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower ignition coil on an OHV engine

Replace the ignition coil if it isn't sending electric current to the spark plug when you pull the recoil starter rope.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a lawn mower recoil starter on an OHV engine
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower transmission
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower flywheel key on an OHV engine
March 01, 2016
By Lyle Weischwill

How to replace a lawn mower flywheel key on an OHV engine

The flywheel key couples the flywheel to the engine crankshaft. Replace the flywheel key if it's broken.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope
April 01, 2013
By Lyle Weischwill

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a lawn mower flywheel key on a flathead engine
April 01, 2013
By Lyle Weischwill

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 minutes or less
How to replace a lawn mower recoil starter on a flathead engine
April 01, 2013
By Lyle Weischwill

How to replace a lawn mower recoil starter on a flathead engine

If the starter rope on your walk-behind lawn mower won't retract, replace the mower recoil starter assembly.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a lawn mower safety switch
April 01, 2013
By Lyle Weischwill

How to replace a lawn mower safety switch

The safety switch stops the engine when you release the lever on the handle. This repair guide explains how to replace i…

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Repair difficulty
Time required
 30 minutes or less
How to replace a lawn mower ignition coil on a flathead engine
April 01, 2013
By Lyle Weischwill

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a lawn mower wheel
April 01, 2013
By Lyle Weischwill

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 minutes or less
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Most common symptoms to help you fix your walk-behind mowers

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Effective articles & videos to help repair your walk-behind mowers

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The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

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Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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