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143RII (20200400001-Current) Husqvarna Brush Cutter - Overview

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Bevel Gear Grease – Part Number: 503976401
$20.85
On Order
Bevel Gear Grease
Part #503976401
This manufacturer-grade bevel gear grease is used to grease transmissions, bevel gears and other gear case assemblies.
Chainsaw Fuel Filter – Part Number: 591375401
$13.15
In Stock
Chainsaw Fuel Filter
Part #591375401
This is a genuine Husqvarna replacement part, it is sold individually. The Fuel Filter is inside of the fuel tank. Its purpose is to filter out dirt and other debris from contaminating the carburetor. It will at sometime become clogged and restrict the fuel getting to the carburetor,and will have to be replaced. We do have an article and video on How to Replace the Fuel Filters in Your Outdoor Power Equipment.. You can see this by going to the front page of our site and clicking on Repair Center.
Trimmer Nut – Part Number: 731231401
$6.72
In Stock
Trimmer Nut
Part #731231401
This is a genuine manufacturer-sourced replacement part which is specially designed for use with Husqvarna lawn and garden equipment. It is an identical replacement for a missing or damaged hexagon nut that was installed on a new unit. This is a standard hardware which has multiple applications, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this component. Keep in mind this high-quality nut is made of durable metal and is sold individually.
Start/stop Switch – Part Number: 503718201
$18.65
In Stock
Start/stop Switch
Part #503718201
This is an original replacement part manufactured for use with trimmers. The start/stop switch is also called the kill switch, and fits on the upper handle above the throttle. The red switch is used to shut of the engine, and has to be engaged to run the engine. The switch is sold individually.
Trimmer Spiral Spring – Part Number: 504115001
$17.55
In Stock
Trimmer Spiral Spring
Part #504115001
This Husqvarna recoil starter spring is a durable spiral component designed to restore proper function to pull-start assemblies in gas-powered outdoor equipment. Made from high-strength steel, it provides the tension needed to automatically retract the starter rope and pulley after each pull, ensuring smooth and reliable engine starting. Compact and lightweight, it is built to withstand repeated use in demanding conditions, making it an ideal replacement for worn or broken springs that cause the pull cord to hang loose or fail to rewind properly.
Spring – Part Number: 537174201
$7.65
In Stock
Spring
Part #537174201
Pump – Part Number: 505306701
$12.05
On Order
Pump
Part #505306701
This is an authentic replacement part manufactured for use with Husqvarna outdoor power equipment. The pump connects to the carburetor and is used to circulate fuel through the carburetor when cold starting the motor. This pump is available as an individual replacement part, please see model diagram for associative parts.
Snap – Part Number: 537387201
$6.95
In Stock
Snap
Part #537387201
Throttle Control – Part Number: 506497701
$13.15
In Stock
Throttle Control
Part #506497701
This is an authentic Husqvarna replacement part. The throttle control is found in yard tools from Husqvarna such as brush cutters and trimmers. This part is made of high-quality plastic, and includes the throttle trigger and the throttle lock. As a safety feature, both parts must be engaged in order to trigger the throttle in the machine. You may require an Allen or hex wrench when replacing this item.
Trimmer Carburetor Diaphragm – Part Number: 506689801
$6.95
In Stock
Gasket – Part Number: 506745101
$13.15
In Stock
Gasket
Part #506745101
This is a genuine OEM sourced replacement gasket which is specially designed for use with Husqvarna handheld lawn and garden equipment. It is utilized to create an air-tight seal for the carburetor, please refer to the appropriate diagrams of your model for the correct location and application of this hardware. Over time gaskets tend to wear out and may begin to crack eventually requiring a replacement, please note this high-quality item is sold individually.
Diaphragm – Part Number: 505306801
$18.65
In Stock
Diaphragm
Part #505306801
This authentic OEM part is specially made for use with Husqvarna and Jonsered handheld lawn and garden equipment. It helps to provide a tight fit between connected components of the carburetor. This is a high-quality replacement for a missing or a damaged diaphragm that was installed on a new unit. Refer to the diagrams for your model to ensure the proper replacement procedure. A wrench set will be needed to perform this repair. Keep in mind this diaphragm is made of durable material and is sold individually.
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part not same
4 of 20 people found this instruction helpful.
  • Bruce from ALGOMA, WI
  • Easy
  • 15 - 30 mins
Ordered on/off switch. My switch had only one wire terminal. Replacement had two. I ran a wire from one to a screw as a ground. Switch worked fine.
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