Easy
Less than 15 minutes
This genuine OEM sourced replacement part is specially designed for use with handheld Black and Decker string trimmers. It is secured over the trimmer head to direct grass clippings away from the user as well as provide protection from the string while using the trimmer. This part is made from high quality plastic and it is sold individually.
Guard Assm. 90567871N
OEM part for: Black and Decker
Part Number: 90567871N
$10.74
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This Guard Assm. will fit the following 5 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Black and Decker
This item works with the following types of products:
- Trimmer Parts
This part replaces obsolete part #: 90567871
Customer Part Reviews ?
Average Rating (out of 5):
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Just what I needed
This was just what I needed to get my trimmer up and running again.
Guest -
June 13, 2023
Verified Purchase
It even came with instructions!
The part to my Black and Decker trimmer arrived sooner than expected. I was pleasantly surprised the email of my order included instructions on how to mount the new part! Totally happy with eReplacement Parts and I will use you guys again! Thanks for your fast service.
Guest -
April 20, 2023
Verified Purchase
Nice!
Arrived quickly. The right part.
Repair done in minutes.
Guest -
July 25, 2020
Verified Purchase
B&D Weed Wacker protective shield
Perfect fit. One screw and my wife was off and running with her trimming job (she won't let me).
Guest -
July 25, 2020
Verified Purchase
Super Easy Repair!!
It's like I have a new trimmer!!
Guest -
July 16, 2020
Verified Purchase
Great service
Part was perfect. Unexpectedly low priced. Arrived quickly.
Guest -
June 19, 2020
Verified Purchase
Good quality. Easy repair. Fast service
Good quality. Easy repair. Fast service
Terry -
June 13, 2020
Verified Purchase
Guard assembly
Exactly what I nedded.
Guest -
September 17, 2019
Verified Purchase
Great fit
Part was exact fit, good job.
Guest -
August 31, 2019
Verified Purchase
Great price and service.......Will use again.
Glad I found their website. Would recommend them. Thanks for the magnet. It is on my fridge.
Guest -
August 28, 2019
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Guard Assm.
Does this guard assembly #90567871N include the blade, #90559117?
Frank
for model number LST136 Type 2
asked on 2022-07-13
Hello Frank, Thank you for the question. This Guard Includes line cutter blade. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team July 13, 2022
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.
Guard was cracked and trimmer blade was broken
James - July 2, 2023
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Easy swap by removing one screw and unclipping guard, reversing process to install new guard.
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Original Guard Assembly warped due to years of frequent use. .
Harvey - October 11, 2021
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
1. Removed the battery from the trimmer.
2. Used a medium-tipped Phillips screw driver to remove the guard assembly retaining screw
from the trimmer motor housing.
3. Used a flat-head screw driver to depress the plastic retainer clip (located next to the screw).
4. Removed the guard assembly.
5. Installed new guard assembly (make sure that the plastic retainer clip snaps into place and
the Phillips head screw hole is aligned).
2. Used a medium-tipped Phillips screw driver to remove the guard assembly retaining screw
from the trimmer motor housing.
3. Used a flat-head screw driver to depress the plastic retainer clip (located next to the screw).
4. Removed the guard assembly.
5. Installed new guard assembly (make sure that the plastic retainer clip snaps into place and
the Phillips head screw hole is aligned).
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String Trim blade snapped off guard assembly slot.
Fred - September 3, 2021
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Power Drill, Phillips screwdriver bit
Parts Used
Removed guard assembly and one screw, replaced new Assembly guard cover, installed screw. Done.
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Guard was cracked in 2 places.
Carol - June 2, 2021
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed broken guard and replaced it with the new one. Very easy.
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Broken guard assembly
Scott - September 2, 2020
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
1.Remove 1 screw
2. Unsnap guard assemble
3. Install new guard, until it snaps in place
4. Install screww
2. Unsnap guard assemble
3. Install new guard, until it snaps in place
4. Install screww
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Trimmer string guard broke
rick - August 15, 2018
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed screw pulled guard off slid new guard in to place and replaced screw
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Line guard broken
Joseph - June 25, 2018
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Remove old cover and install new. One screw. Couldn't be easier, perfect fit. Old cover lasted about 10 years. Great price - perfect fit - very fast delivery. Thank you ereplacementparts.
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My blade had broken off from the guard,
Tony - June 9, 2018
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Removed the guard and slid the new guard on and used the screws to replace blade. Very happy with replacement parts and was simple to replace.
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Guard was broken.
Joel - September 17, 2017
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed the damaged guard and replaced, nothing difficult.
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The guard was very old & practically crumbled in place.
Freeman - September 16, 2017
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
I followed the directions that came with the new guard and very shortly I was back in business, less than 15 minutes. I simply slid the old guard out its slots and slid the new guard in the slots.
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Load More Install Stories
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.
