DCST920B (Type 2) DeWALT Trimmer - Overview

Diagrams for DCST920B

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Screw – Part Number: 608176-00
$7.44
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Screw
Part #608176-00
Lock Washer – Part Number: 098197-03
$7.44
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Lock Washer
Part #098197-03
This is a genuine manufacturer-sourced replacement part which is specially designed for use with DeWALT, Black and Decker and Porter Cable power tools. It helps to distribute the pressure evenly and ensure a tight seal between connected parts, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality item is made of durable metal and is sold individually.
Retaining Ring – Part Number: N027674
$7.44
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Retaining Ring
Part #N027674
Screw – Part Number: 330019-11
$7.44
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Screw
Part #330019-11
This replacement screw is a high quality hardware that is specially manufactured for use with Dewalt, Black and Decker and Porter Cable power tools. It is a authentic OEM sourced item that has multiple applications depending on the unit, for correct location and use of this screw make sure to check appropriate diagrams. Please note this torx screw is sold individually.
Screw – Part Number: 330019-20
$7.44
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Screw
Part #330019-20
Screw – Part Number: N377990
$7.44
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Screw
Part #N377990
Torx Screw – Part Number: 330019-13
$7.44
In Stock
Torx Screw
Part #330019-13
This OEM replacement screw is a reliable solution for securing components in your power tools. Sold individually, it’s commonly used to fasten plastic housings and other parts, helping to keep your tool’s structure solid and secure. Designed with a Torx T-20 head, it provides a strong grip and easy installation with the proper driver. This screw is used in multiple locations across various tool models, making it a versatile and essential part to have on hand for maintenance or repairs.
Screw,plastite – Part Number: 330019-02
$7.44
In Stock
Screw,plastite
Part #330019-02
This is a genuine manufacturer-sourced item that is specially designed for use with DeWALT, Porter Cable and Black and Decker equipment. It is an identical replacement for a missing or damaged screw that was installed on a new unit, please make sure to check the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality screw is made of durable metal and is sold individually.
Screw – Part Number: 330019-15
$7.44
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Screw
Part #330019-15
This M4.55 x 32 mm Plastite screw is made to form secure threads in plastic tool housings. It has a T20 Torx drive and is used in select handles, covers, and motor housings. Use the complete tool model and type number to guarantee the proper fit. Check the parts diagram for its exact location before installation. Unplug the tool or remove its battery before repair. Start the screw by hand and do not overtighten it, as too much force can strip or crack the plastic.
Detent Spring – Part Number: N014681
$7.44
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Detent Spring
Part #N014681
MOMENTARY SWITCH – Part Number: 90600458
$8.24
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MOMENTARY SWITCH
Part #90600458
SPOOL – Part Number: 90601087
$15.87
In Stock
SPOOL
Part #90601087
This string trimmer spool is a genuine OEM replacement designed for brushless cordless string trimmers. It functions as a bump-feed head, allowing smooth line advancement and consistent cutting performance during trimming. Made from durable plastic to handle everyday wear, it’s a practical replacement when the original spool becomes worn, damaged, or difficult to reload.

Questions And Answers for DCST920B

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Larry - For model number DCST920B
June 5, 2026
I need a new blade, the one that trims the line if you bump feed to much line. My Trimmer is DCST920, with out the “B”
Chris Boyle Profile
Hi Larry, thank you for your inquiry. The blade you are looking for comes with the guard assembly, part number PS12489090. Glad to be of help!
$25.86
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GUARD
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Spindle locked up, causing string head to not rotate.
1 of 9 people found this instruction helpful.
  • HOWARD from LODA, IL
  • Really Easy
  • Less than 15 mins
  • Screw drivers
Removed string head, removed 3 screws, removed bad unit, and replaced with new unit, replaced 3 screws, and replaced string head.
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