Forest & Garden –

Customer support
Automower® support
Register product
Contact us

Robotic Lawn Mowers

All Robotic Lawn Mowers
Residential Robotic Lawn Mowers
Commercial Robotic Lawn Mowers
Parts & Accessories for Robotic Lawn Mowers

Riding Lawn Mowers

All Riding Lawn Mowers
Parts & Accessories for Riding Lawn Mowers

Stand-On Lawn Mowers

All Stand-On Lawn Mowers

Zero-Turn Lawn Mowers

All Zero-Turn Lawn Mowers
Commercial Zero-Turn Mowers
Residential Zero-Turn Lawn Mowers
Parts & Accessories for Zero-Turn Mowers

Push Lawn Mowers

All Push Lawn Mowers
Commercial Lawn Mowers
Battery Lawn Mowers
Gas Lawn Mowers
Parts & Accessories for Push Lawn Mowers

Also view

About professional robotic lawn mowers
About zero-turn lawn mowers
Zero-turn mower buying guide
Zero-turn & riding mower accessory fit up chart
About riding lawn mowers
Riding lawn mower buying guide

Chainsaws

All Chainsaws
Professional Chainsaws
Residential Chainsaws
Battery Chainsaws
Gas Chainsaws
Top Handle Chainsaws
Parts & Accessories for Chainsaws

Forestry Clearing Saws

All Forestry Clearing Saws
Parts & Accessories for Forestry Clearing Saws

Axes

All Axes
Axes with Composite Handle
Axes with Wooden Handle
Handforged Axes with Wood Handle

Pole Saws

All Pole Saws
Professional Pole Saws
Residential Pole Saws
Battery Pole Saws
Gas Pole Saws
Dielectric Pole Saws
Parts & Accessories for Pole Saws

Power Cutters

All Power Cutters
Power Cutter Accessories
Battery Power Cutters
Gas Power Cutters
Parts & Accessories for Power Cutters

Also view

About chainsaws
Chainsaw buying guide
Bars & chains guide
About professional chainsaws
How to prepare for a storm
About pole saws
Best axe for splitting wood

String Trimmers

All String Trimmers
Combi Trimmers
Professional String Trimmers
Residential String Trimmers
Battery String Trimmers
Gas String Trimmers
Parts & Accessories for String Trimmers
Combi Trimmer Attachments

Lawn Edgers

All Lawn Edgers

Brushcutters

All Brushcutters
Professional Brushcutters
Battery Brushcutters
Gas Brushcutters
Parts & Accessories for Brushcutters

Leaf Blowers

All Leaf Blowers
Professional Leaf Blowers
Residential Leaf Blowers
Battery Leaf Blowers
Gas Leaf Blowers
Parts & Accessories for Leaf Blowers

Hedge Trimmers

All Hedge Trimmers
Professional Hedge Trimmers
Residential Hedge Trimmers
Battery Hedge Trimmers
Gas Hedge Trimmers
Pole Hedge Trimmers
Parts & Accessories for Hedge Trimmers

Also view

About string trimmers
About leaf blowers
About hedge trimmers
Husqvarna’s trimmers and brushcutters – designed to better your business

Battery Equipment

All Battery Equipment
Batteries
Battery Accessories
Battery Boxes
Battery Chargers

Battery Products

Battery Brushcutters
Battery Chainsaws
Battery Hedge Trimmers
Battery Lawn Mowers
Battery Leaf Blowers
Battery Pole Saws
Battery Power Cutters
Battery String Trimmers

Also view

About battery products
MAX Battery Series
Battery runtime chart
We are battery power
Battery vs gas

Snow Blowers

All Snow Blowers
Professional Snow Blowers
Residential Snow Blowers
Snow Blower Accessories
Parts & Accessories for Snow Blowers

Also view

About snow blowers
Winter lawn care
Buying a snow blower

Lawn & Garden Hand Tools

All Lawn & Garden Hand Tools

Sprayers

All Sprayers

Equipment

Arborist Essentials
Battery Products
Personal Protective Equipment
Parts & Accessories for Chainsaws
Tool Belts and Accessories
Parts & Accessories for Yard & Grounds Care

Fuel and Oil

All Fuel and Oil
2-Stroke Fuel and Oils
4-Stroke Fuel and Oils
Grease and Oils

Clothing & Toys

Branded Merchandise

Battery runtime chart
About personal protective equipment
About Fuel, Oil and Lubricants
How to mix 2-stroke fuel for chainsaws, trimmers & leaf blowers

Parts & Accessories for Robotic Lawn Mowers

Parts & Accessories for Zero-Turn Mowers

Parts & Accessories for Riding Lawn Mowers

Parts & Accessories for Push Lawn Mowers

Parts & Accessories for Snow Blowers

Also view

Customer Support
How-To's & Guides
Store Locator
Warranty

Parts & Accessories for Vacuum Cleaners

Also view

Customer Support
How-To's & Guides
Warranty
Store Locator

Parts & Accessories for Chainsaws

Parts & Accessories for Pole Saws

Parts & Accessories for Forestry Clearing Saws

Parts & Accessories for Power Cutters

Parts & Accessories for String Trimmers

Parts & Accessories for Leaf Blowers

Parts & Accessories for Hedge Trimmers

Also view

Customer Support
How-To's & Guides
Store Locator
Warranty

Services for homeowners

Services by Husqvarna
Husqvarna Connect
Husqvarna Financing Solutions

Services for professionals

Lease and Service Plus
Husqvarna Fleet Services™
Husqvarna Financing Solutions
Commercial Fleet Program

Tree Care Professionals

Sports Turf Management

Golf Course Management

Landscaping Professionals

Government / Municipalities

View all professional solutions

Commercial Landscaping

Professional tree care

Chainsaw Academy

View all within Learn & discover

My favourites
Customer support
Automower® support
Register product
Contact us

Forest & Garden

Home
Spare Parts
539133049

KNOB

KNOB

Product Description

KNOB.ROUND.BALL.BLACK

Product Information

Fits to model (22)

Zero-Turn Mowers

HUSQVARNA RZ4222F
Husqvarna Z246i
HUSQVARNA Z246
Husqvarna Z142
HUSQVARNA MZ48
HUSQVARNA MZ 54S
HUSQVARNA RZ3016
HUSQVARNA RZ4622
HUSQVARNA RZ5426
HUSQVARNA RZ54i
Husqvarna Z146
Husqvarna Z254i

Zero-Turn Lawn Mowers

HUSQVARNA Z242F
HUSQVARNA Z248F
Husqvarna Z246
Husqvarna MZ 48 Special Edition
Husqvarna MZ 54 Special Edition
Husqvarna MZ 61 Special Edition
Husqvarna MZ 54 ROPS Special Edition
Husqvarna MZ 61 ROPS Special Edition
Husqvarna Z254
HUSQVARNA MZ54

You're at Husqvarna US Forest & Garden

With over 330 years of innovation and passion, Husqvarna provides professionals and consumers with forest, park, lawn and garden products. We let high performance meet usability and safety, making you ready to get the job done efficiently. Husqvarna offers a wide and growing range of products and accessories, including everything from chainsaws and trimmers to innovative robotic lawn mowers.

Get the latest updates!

Get the latest info on new products, giveaways and special offers. Sign up for our newsletter.

Homeowner Newsletter Sign-Up

Pro Newsletter Sign-Up

Find your products

Robotic Lawn Mowers

All Lawn Mowers

String Trimmers

Zero-Turn Lawn Mowers

Find your products

Robotic Lawn Mowers

All Lawn Mowers

String Trimmers

Zero-Turn Lawn Mowers

About us

Husqvarna Advantage

Community

Community
Husqvarna's take on sustainability

Become an Authorized Husqvarna Dealer

Husqvarna Group

Husqvarna Group
Husqvarna Careers
Husqvarna Global Purchasing

More Husqvarna sites

Husqvarna Construction Equipment
Husqvarna Motorcycles
Husqvarna Sewing Machines

News & Media

Media Hub

Battery Recycling Program

Get the latest updates!

Get the latest info on new products, giveaways and special offers. Sign up for our newsletter.

Homeowner Newsletter Sign-Up

Pro Newsletter Sign-Up

Copyright - 2026 Husqvarna AB. Due to continuous improvement, product may vary slightly from images but machine functionality is unchanged. All rights reserved.

Customer Support
Privacy Policy
Terms
Do Not Sell My Personal Information (CA Residents)
Returns Policy
Proposition 65
Report Suspected Violations
AK and HI Prices May Vary
ADA Compliance
ADA Settlement