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143RST Husqvarna Brush Cutter - Overview

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Spark Plug – Part Number: 503235111
$11.28
In Stock
Spark Plug
Part #503235111
Compatible with over 150 models of lawn equipment, this Spark Plug has been sourced directly from the original manufacturer. It is sold individually, made of metal and ceramic components, and is not part of a kit or assembly. The spark plug is used to ignite the air-fuel mixture inside the combustion chamber. You may need to replace the Spark Plug if your 1 cylinder engine won't start, or if your more-than-1 cylinder engine runs rough. Spark Plugs will wear over time and should be inspected regularly. Customers rate this repair as Easy.
Bevel Gear Grease – Part Number: 503976401
$20.85
Special 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.
Bolt – Part Number: 506745201
$6.95
Special Order
Bolt
Part #506745201
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.
Nut – Part Number: 502197101
$7.65
In Stock
Nut
Part #502197101
This is a genuine replacement part sourced directly from the manufacturer. The nut is commonly found in yard tools from Husqvarna, such as trimmers, edgers, and brushcutters. This part is a square metal nut, which is generally used to help secure the handle assembly. Please be aware that there are different nuts used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You may require a wrench when replacing this item. The nut is sold as an individual replacement part.
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
Spring – Part Number: 537174301
$6.72
Special Order
Spring
Part #537174301
Gasket – Part Number: 506740801
$14.25
In Stock
Gasket
Part #506740801
The gasket attaches to the diaphragm and helps to create a seal. This is a genuine Husqvarna and Jonsered part sourced directly from the manufacturer for use in backpack blowers and brushcutters. It is made out of a thin material and is sold individually. A screwdriver and a set of pliers may be helpful when replacing this part. It will require replacing if it breaks.
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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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