DCST920B (Type 2) DeWALT Trimmer - Overview

Sections of the DCST920B

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Keep searches simple, eg. "belt" or "pump".
Screw – Part Number: 330019-37
Screw
PartSelect #: PS10169718
Manufacturer #: 330019-37
  No Longer Available
SPINDLE – Part Number: 90601861
SPINDLE
PartSelect #: PS12509921
Manufacturer #: 90601861
This spindle is a genuine OEM DeWalt replacement used on cordless string trimmers to support and rotate the cutting head properly during operation. Designed for durability and a precise fit, it helps ...
$12.43
  On Order
Screw – Part Number: 330019-20
Screw
PartSelect #: PS10169707
Manufacturer #: 330019-20
$7.44
  Special Order
Screw – Part Number: 330019-15
Screw
PartSelect #: PS10169703
Manufacturer #: 330019-15
$7.44
  Special Order
SCREW – Part Number: 90629201
SCREW
PartSelect #: PS12511630
Manufacturer #: 90629201
$7.44
  Special Order
Lock Nut – Part Number: 370023
Lock Nut
PartSelect #: PS11926007
Manufacturer #: 370023
$7.44
  In Stock
Order within the next 3 hrs and your part ships today!
GUARD – Part Number: N496261
GUARD
PartSelect #: PS12489090
Manufacturer #: N496261
$25.86
  Special Order
SPOOL – Part Number: 90601087
SPOOL
PartSelect #: PS12502574
Manufacturer #: 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 perfor...
$15.87
  In Stock
Order within the next 3 hrs and your part ships today!
GEARCASE ASSY – Part Number: 90613424SV
GEARCASE ASSY
PartSelect #: PS12502634
Manufacturer #: 90613424SV
$22.97
  Special Order
ACTUATOR – Part Number: 90602320
ACTUATOR
PartSelect #: PS12502876
Manufacturer #: 90602320
$7.44
  Special Order
GUARD ASSEMBLY – Part Number: 90613629
GUARD ASSEMBLY
PartSelect #: PS12505636
Manufacturer #: 90613629
$18.46
  Special Order
Handle Clamp – Part Number: 90608998
Handle Clamp
PartSelect #: PS11928799
Manufacturer #: 90608998
$7.44
  Special Order

Questions And Answers for DCST920B

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Larry
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”
For model number DCST920B
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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!
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Related Parts:
  • 1
Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Spindle locked up, causing string head to not rotate.
Removed string head, removed 3 screws, removed bad unit, and replaced with new unit, replaced 3 screws, and replaced string head.
Parts Used:
SPINDLE
  • HOWARD from LODA, IL
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
  • Tools:
    Screw drivers
1 of 5 people found this instruction helpful.
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