Medium
15-30 minutes
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.
Diaphragm 505306801
OEM part for: Husqvarna
Part Number: 505306801
$18.68
In Stock
Ships within 1 business day 
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Compatibility
This Diaphragm will fit the following 48 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 48 matching models.
Husqvarna
Show More Compatible Models48 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Husqvarna
- Jonsered
This item works with the following types of products:
- Blower
- Chain Saw
- Saw
- Trimmer
This part replaces obsolete part #: 5226484-01, 5046431-01, 504643101
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July 15, 2020
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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.
Blower would not run well, no power.
Michael - June 20, 2020
Tool Type
Blower
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Star socket
1. removed the carb
2. disassembled the body and cleaned it
3. Installed new parts and reassembled the body
4. reattached the carb
5.now waiting for the fuel lines and filter from the factory.
2. disassembled the body and cleaned it
3. Installed new parts and reassembled the body
4. reattached the carb
5.now waiting for the fuel lines and filter from the factory.
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Ethanol blend gasoline destroyed the diaphragm, and the fuel filter.
James - December 30, 2017
Tool Type
Blower
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Parts Used
1. Removed the carburetor, disassembled and cleaned with carb-cleaner. Replaced the diaphragm and rebuilt.
2. Removed and replaced the spark plug.
3. Removed and replaced the fuel filter.
4. Put carb back on and reattached the controls.
5. Runs like new. Saved about 2-300 bucks at power shop.
2. Removed and replaced the spark plug.
3. Removed and replaced the fuel filter.
4. Put carb back on and reattached the controls.
5. Runs like new. Saved about 2-300 bucks at power shop.
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fuel pump diaphram was bad.
Paul - November 27, 2017
Tool Type
Chain Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Went to web site, found diagram easily, ordered part and installed. Worked like new. Thank You for your help.
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Blower wouldn't run full power.
Keith - June 28, 2016
Tool Type
Blower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, knife, sandpaper
I took the entire carburetor apart and cleaned it. Replaced the old gaskets and diaphragms and reassembled the carburetor.
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Cracked diaphragms
John - April 6, 2016
Tool Type
Blower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Power Drill
Dissembled carburetor and cleaned thoroughly, replaced the the old diaphragms and installed the new ones. Then assembled carburetor.
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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.
