This is a Genuine OEM sourced replacement part used on Black and Decker Lawn Mowers. This part is made out of Metal and it is Sold Individually. 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.
Mulching Blade 90541433-01
OEM part for: Black and Decker
Part Number: 90541433-01
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Compatibility
This Mulching Blade will fit the following 9 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Black and Decker
Show More Compatible ModelsThis item works with the following types of products:
- Lawn Mower Parts
This part replaces obsolete part #: 90541433
Customer Part Reviews ?
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Questions & Answers ?
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Does this fit my product?Questions & Answers for Mulching Blade
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.
Mower blade needed replacing so did the rear flap.
Tool Type
Lawn Mower
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Adjustable Wrench, Rubber mallot
Parts Used
Needed new sharp blade
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Remove the nut holding the blade, blade insulator and spacer
Install the new blade on the spindle, with the space and insulator
Tighten them with the nut
Blade hit rock: vibration insulator damaged
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
1) Remove nut holding blade to drive shaft. NOTE WHICH DIRECTION BLADE, INSULATOR, AND NUT FACE (motor or ground)
2) place new parts on drive shaft facing the correct direction)
3) replace nut
Blade Replacement
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set, Block of Wood
Parts Used
Mower several years old. Battery not able to finish job. Needed a new blade.
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set, Rag to hold sharp blade
Blade replacement: Disconnect battery by unlatching it and lifting it out of the battery recess. Use a glove or rag to hold sharp blade, loosen mounting bolt and then remove bolt, the blade insulator, and the spacer (square washers) to remove old blade. Reassemble in reverse order with new blade (Note: Ensure the side of the blade that is supposed to be facing the grass is facing out on the shaft).
the blade was old and nicked beyond sharpening
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set
Parts Used
I removed the old blade using my socket set and a block of wood to keep the blade from spinning
balanced the new blade
making certain to have the "grass side" facing outward I installed \
I lined up spacers and with my socket set tightened it in place
Ran mower to be certain is was tight and proceeded to mow lawns
Replaced blade
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
motor cutting off , dull / nicked blade
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, air impact
Parts Used
Blade nut was very tight. Used air impact to remove nut holding blade and reinstalled with impact.
Replaced breaker a couple weeks ago. Very easy using only a nut driver with socket and torx bit.
Battery now lasts long enough to cut neighbors yard also.
About $170.00 total. Runs like new.
Blade was dinged up, insulator broke
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Grass catcher flap was torn, and replaced mower blade.
Tool Type
Lawn Mower
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
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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.