Easy
Less than 15 minutes
This is a genuine manufacturer sourced replacement part designed for use with Husqvarna power tools. This knob helps to secure the air filter cover. Replacing this part does not require any tools, this knob is secured with a bolt (sold separately). This knob is made out of plastic and it is sold individually. You will need a wrench to replace this item.
Knob 502204001
OEM part for: Husqvarna
Part Number: 502204001
$6.21
In Stock
Ships within 1 business day 
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Compatibility
This Knob will fit the following 358 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Husqvarna
Show More Compatible ModelsThis item works with the following types of products:
- Chain Saw Parts
- Saw Parts
- Blower Parts
- Trimmer Parts
- Pole Saw Parts
- Edger Parts
- Hedge Trimmer Parts
This part replaces obsolete part #: 5022040-02, 5048003-01, 504800301, 502204002
Customer Part Reviews ?
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Exact replacement
Good shipping and arrival on all parts. Parts fit well. Equipment running again.
Guest -
October 21, 2019
Verified Purchase
Just what I needed and
All parts fit perfectly and worked as intended
Guest -
August 27, 2019
Verified Purchase
Very impressed with website and service!
The part arrived quickly and fit perfectly.
Guest -
August 23, 2019
Verified Purchase
Easy Find
Part for my leaf blower was easy to find on website, and super quick delivery. Buy all my replacement parts here!
Guest -
June 14, 2019
Verified Purchase
All parts fit great
replacement parts worked.
Guest -
September 18, 2019
Verified Purchase
Questions & Answers ?
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Trimmer air filter cover fell off and got lost
James - October 2, 2021
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, no tools required
1. Removed old air filter
2. Installed new air filter
3. Installed new air filter cover with new thumb screw
2. Installed new air filter
3. Installed new air filter cover with new thumb screw
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carburtetor was not pumping or metering fuel properly
Tom - August 6, 2020
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
Removed external housing, then removed carburetor. Cleaned gasket surfaces, and installed new parts. Started engine and set carburetor low speed idle screw and set high speed screw for proper fuel mixture settings.
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missing screw and knob
Michael - December 11, 2018
Tool Type
Blower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, hand
Parts Used
Put screw through the clamp and tightened the knob
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Air filter parts came loose and fell off and could not find.
RON - July 26, 2018
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, No tools required
Simply installed the parts into the Husquvarna Trimmer. Parts were an exact replacement and everything went perfect. Order to parts delivery time was excellent. Thanks!
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Parts fell off somewhere.
William - April 10, 2018
Tool Type
Blower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Put the new parts on with a screwdriver.
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The lowercase housing was busted.
James - October 7, 2017
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Nutdriver, Allen wrench set
The job was not too hard, my son actually did it as an FFA project with my supervision it took about 45 minutes to complete. The entire engine housing had to be disassembled in order to replace the lower section. The hardest part was removing the support bearing and reinstalling it.
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Knob and air filter cover were lost in the field
Mark - August 7, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
I thought I was going to have to take a couple of things off. but I was able to shake the nut back into place and then simply replace the last parts.
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Lost some parts
Frank - May 17, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
I replaced the parts that I lost for my air cleaner assembly
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I lost the bolt and knob. Put them somewhere safe...
Mike - November 10, 2016
Tool Type
Blower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Re installed the new knob and bolt
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Control handle came off of blower
Doyle - October 21, 2016
Tool Type
Blower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Hands
Parts Used
Screw and plastic top came off and was lost last fall. Replaced screw and plastic knob and reattached control handle to blower.
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
