This replacement mower blade is supplied directly from original equipment manufacturer for use with a variety of lawn mowers. Mulching lawn mower blades are designed to circulate the grass longer so it can be cut into smaller pieces. This makes your grass clippings better as mulch since the smaller clippings will decompose more quickly, releasing their nutrients into the soil. This blade is made out of metal and it is sold individually. To replace it you would need a wrench to remove the blade bolt.
Blade (21-inch) 532189028
OEM part for: Husqvarna, Poulan
Part Number: 532189028
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Compatibility
This Blade (21-inch) will fit the following 308 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Lawn Mower Parts
This part replaces obsolete part #: 5321750-64, 5391118-78, 532175064, 539111878, 175064, 189028
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Does this fit my product?Questions & Answers for Blade (21-inch)
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.
Lawn mower blade was bent by hitting tree root
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set
Parts Used
Reach under deck to remove nut from blade center
Remove blade and replace with new
Tighten nut
Remove wood planks
Hit a rock which broke blade adapter, stripped hex head screw, replaced lawn mower blade.
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Remove the blade
Remove the broken adapter
Install the new blade adapter, with the key inside lined up with the key way in the engine shaft
Place the new blade on the adapter, then the washers and tighten the new blade bolt
Blade was broken
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Needed a mulching blade.
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set
Parts Used
Blade attachement Coupler was stripped
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Socket set, Wrench Set, Hammer
The other blade I had was not the original blade so I thought that this blade would work better.
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
Parts Used
Blade broke
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Old cutting blade was bent.
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
Craftsman push mower had a bent blade which was off balance.
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
2. Carefully installed the new blade by threading the bolt into the bottom of the shaft holding the blade.
3. Tightened the bolt.
The blades and shear pins were all used and abused
Tool Type
Lawn Tractor
Difficulty
Medium
Time
15-30 minutes
Tools Used
Pliers, Socket set, Wrench Set
2. Pulled up the blade deck for easy accessibility.
3. Removed the blades and sheared pins.
4. Replaced with new blades and shear pins.
5. Reassembled the deck to the mower body.
6. Started the mower and tested it out and it worked fantastic!
Could not have done it without the excellent parts diagrams, part numbers, pictures and super fast shipping. Replacement parts.com is my go to for all of my parts and repairs.
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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.