Easy
Less than 15 minutes
This replacement line cutting blade is specially designed for use with Black and Decker string trimmers. It is attached to the guard and is generally used to cut the string line. This is a metal blade that is sold individually. Please note the screw used to attach it is sold separately.
Replacing this blade is an easy job that should require a screwdriver.
• Remove screw that holds blade to the guard
• Remove old blade and secure new one with a screw
Blade 90559117
OEM part for: Black and Decker
Part Number: 90559117
$4.99
In Stock
Order within the next 3 hours and your part ships today! 
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Product Description ?
- Classification: Part
- Weight: 0.02 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 6 machines
Black and Decker
LST136 36V String Trimmer View Diagrams & Manuals
98020SE (Type 1) Lst136 - 40v String Trimm View Diagrams & Manuals
LST136B (Type 2) 40v Lith Str Trimmer View Diagrams & Manuals
ST8600 (Type 1) 5.0 Amp String Trimm View Diagrams & Manuals
LST136 (Type 1) Cordless String Trimmer Power Tool View Diagrams & Manuals
LST136 (Type 2) Cordless String Trimmer Power Tool View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Trimmer Parts
Customer Part Reviews ?
Average Rating (out of 5):
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fast service part worked perfectly
fast service part worked perfectly
Guest -
July 31, 2023
Verified Purchase
Oem fit and quality
Parts fit and work great
Scott -
October 22, 2021
Verified Purchase
Trimmer Blade
Works just fine, no problem installing
Guest -
September 15, 2021
Verified Purchase
Great part, arrived quickly!
We needed this replacement part and it was very reasonable priced and shipped quickly. Thanks!
Guest -
November 26, 2019
Verified Purchase
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Questions & Answers ?
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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.
The line cutter blade broke off
Rema - July 1, 2018
👍 2 of 2 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Just remove two small screws and throw away broken one. Then place new cutter on and screw in the two screws.
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Ols cuttting blade broke off
Christina - July 8, 2020
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
removed screw holding old blade, cleaned off mounting bracket, set new blad on bracket and replaced screws.
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line cutter for weed trimmer
Andrew - May 6, 2020
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Had to use a drill hole was to small, once that was done the part work fine
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Cover broke and string cutteteas dill
William - September 1, 2019
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Remover broken cover removed spring placed spring on new cover and snapped in place removed 2 screws took old blade off and installed new one. Went smooth
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Trimmer blade broke.
John - July 9, 2019
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed broken part and replaced.
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Grass trimmer needed new string cutter blade
Robert - July 30, 2018
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Placed blade on trimmer and used screws to fasten it on
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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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Broken and missing parts
Bobby - August 30, 2017
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Removed the bottom cover and the spool, removed the broken lever in the spool housing and pressed the new lever on. Screwed the blade on the guard. And installed the guard in the trimmer housing.
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The string cutter blade broke
Craig - July 12, 2017
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Replaced the blade. Easier than easy.
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Blade was broken
Charles - August 19, 2016
Tool Type
Grass Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed the screws from the broken blade and removed it. Installed the new blade with the screws.
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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.
