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Repair Parts Home  Lawn Equipment Parts  Poulan Parts  581547901 Blade Adapter 7/8
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Blade Adapter 7/​8

Part Number: 581547901
Weed EaterPoulanHusqvarnaMurrayJonsered
Availability: 2 in stock
Price: $17.84
Ships within 1 business day

*This part replaces obsolete part #: 5328509, 532193825, 532851514, 532850977, 850977, 851514 and 193825.

Product Information
Manufacturer: Weed Eater, Poulan, Husqvarna, Murray, Jonsered
Product Number: 581547901
Classification: Part
Weight: 0.41 lbs.
Shipping: Ships Worldwide
Description:
This genuine manufacturer approved replacement part is designed for use on lawn mowers. This adapter fits the blade and allows it to connect to the spindle. This part is made out of metal and it is sold individually. You would need a wrench to replace this blade adapter.
Compatibility

This part is compatible with the following machines:

Poulan
Weed Eater
Murray
Husqvarna
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Lawn Mower
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
3 of 3 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
22" Deck Blade - 532141114
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Socket set, Rubber mallet
Cracked adapter, needed a new blade
Remove the blade bolt and the washers
Remove the blade
Remove the cracked adapter
Line up the key in the adapter to the keyway in the shaft and tap it on with a mallet
Place the new blade and washers on the spindle
Tighten the blade bolt
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3 of 3 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Socket set, Wrench Set
Old blade adaptor became worn and the blade rattled and the lawn mower would shake.
I'm getting smarter. Take pictures with your phone. Undo everything. Put in the reverse order using the new part. Tighten and check to make sure else there will be wobble and rattle as before the repair. It's so simple I did if for my riding lawnmower as well.

A tip I should have, would have, could have: Buy the blade replacement online at the same time and get the thatching type with fans of steel cut into the blades. You'll get a wonderful, new, even cut with little thatch.

Another tip: Keep the old parts you take off on nails and hooks so you can know which ones to replace next time.
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2 of 2 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Blade, 20 Inch - 532145106
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Socket set
Needed a new blade and adapter as old blade was bent after hitting rock.
Removed the blade bolt and washers, then the old blade. Removed the blade adapter.
Tapped the new blade adapter on, then installed the new blade, blade washers and tightened the blade bolt.
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1 of 1 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Socket set
The blade was loose.
Removed the blade and the blade adapter then installed the adapter then the blade.
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Tool Type:
Lawn Mower
Parts Used:
Mower Blade (22-Inch) - 532406713
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Easy
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Socket set, Wrench Set
Blade loose, starter cable broken
New starter cable and blade
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Tool Type:
Lawn Mower
Parts Used:
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Wrench Set, Hammer
Blade Adapter
broke the old one, hammered on new one :)
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Tool Type:
Lawn Mower
Parts Used:
Lock Washer - 596238701
Hex Head Screw - 532851084
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Socket set, Metal file
Key sheared off in blade adapter on lawn mower
Old bolt was sheared off and old adapter had to be removed with a gear puller.
The end of the motor crankshaft had to be cleaned up for the new adapter to fit.
After this everything went back together OK.
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Tool Type:
Lawn Tractor
Parts Used:
Mower Blade (22-Inch) - 532406713
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Wrench Set, Mallet
Old blade and worn blade adaptor
Take the blade bolt and the lock washer then the flat washer off. Then remove the old blade. I had to do a little prying to get the old blade adapter off, but I got it. I cleaned up the shaft then placed the adapter on the shaft with the key in the adapter lined up with the key way on the shaft and tapped it on tighter with a mallet. I then installed the new blade and put all the other parts back on.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Tool Type:
Lawn Mower
Parts Used:
Blade, 20 Inch - 532145106
Blade Adapter 7/8 - 581547901
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Socket set, Wrench Set
Nubs on blade adapter sheared off
Bolt holding blade and adapter on really tight. Soak with Kroil or other penetrating oil. Use flat wrench on bolt and a lever bar (long screwdriver or steel rod capable of not bending) to work against blade to loosen bolt. When loose bolt can be removed quicker with socket wrench. Remove blade and slide adapter off engine shaft (may have to use wheel puller if on tight). Slide or drive on new adapter lining up lug or key in spline cut on engine shaft. Place new blade grass side down on adapter making sure the nubs on adapter are in the holes of the blade. Insert and tighten bolt really tight.
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Reviews
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Average Rating (out of 5):
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  • Good
    Good fit, works good
    Guest - October 13, 2020 Verified Purchase
    Perfect match
    New part, perfect fit
    Guest - July 23, 2020 Verified Purchase
    Perfect fit, easy to repair, fast shipping. Thanks
    Arrived quickly, easy to install.
    Guest - September 7, 2019 Verified Purchase
    Perfect fit
    This part was the right part, shipped on time and worked as described. Very good purchase experience!
    Guest - August 22, 2019 Verified Purchase
    This part for my mower fits prefect!
    I ordered a part similar to this from the hardware store and in 3 weeks still have not seen it. Ordered this part from here and got it 2 days later, fits prefect!
    Guest - June 22, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Weed Eater, Poulan, Husqvarna, Murray, Jonsered
    Product Number: 581547901
    Classification: Part
    Weight: 0.41 lbs.
    Shipping: Ships Worldwide

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