EasyApplianceParts is now PartSelect! We've merged our sites to provide a better shopping experience for you.   Full Details

Find Parts

Parts Departments

Top Model Types

Top Brands

Repair Help

Expert Repair Videos

Keep typing for more specific results...

DCST920P1 (Type4) DeWALT Trimmer - Overview

Diagrams for DCST920P1

See every part. Know exactly what you need.

Enter a part description. DIY Heroes keep it simple, eg. "belt" or "pump".

Search filter:
Clear Filter
Your search term must have 3 or more characters.
Gearcase Cover Assy. – Part Number: 90615764SV
$32.12
In Stock
Gearcase Cover Assy.
Part #90615764SV
This gearcase cover assembly encloses and protects internal gearing components. Built for durability, it helps maintain proper alignment while shielding parts from debris and damage.
Motor & Pinion Assy – Part Number: 90638422
$107.80
In Stock
Motor & Pinion Assy
★★★★★
★★★★★
(1)
Part #90638422
This motor and pinion assembly is designed for 20V MAX string trimmers to restore proper power and drive to the cutting head. Built as a complete OEM replacement, it’s used to fix trimmers that have stopped running or lost performance due to motor failure, helping return the tool to normal operating condition.
SPINDLE LOCK PLATE – Part Number: 90638856
$6.40
In Stock
SPINDLE LOCK PLATE
Part #90638856
This spindle lock plate is a genuine OEM replacement designed for string trimmers. It helps secure the trimmer head and spool in place, reducing the chance of loosening or detachment during operation. Built for proper fit and reliable holding strength, it’s an ideal replacement when trimmer head components feel unstable or show signs of wear.
SPINDLE – Part Number: 90601861
$7.93
In Stock
SPINDLE
Part #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 maintain smooth head rotation and consistent cutting performance and is an ideal replacement when a worn or damaged spindle causes poor spool engagement or vibration.
MOMENTARY SWITCH – Part Number: 90600458
$6.40
In Stock
MOMENTARY SWITCH
Part #90600458
Pole Assembly – Part Number: 90625928
$31.94
In Stock
Pole Assembly
Part #90625928
Used on cordless string trimmers, this lower pole assembly serves as the main structural shaft connecting the motor housing to the handle for stable, balanced operation. It provides the rigidity needed for proper alignment and comfortable handling during trimming tasks. Designed for a precise fit, this assembly is ideal for replacing a bent or damaged shaft to restore proper trimmer balance, control, and dependable performance.
Replacement Spool Assembly – Part Number: N508388
$39.87
In Stock
Replacement Spool Assembly
Part #N508388
Introducing the DeWALT Replacement Spool, a crucial component designed with absolute precision to ensure your trimmer operates at its peak. Made with robust material, this spool excels in longevity and reliability, delivering consistent, top-tier performance. The ratcheting feature of the spool makes it easy to adjust, ensuring seamless operation through long hours of work. It's the perfect blend of durability and efficiency, making it a valuable addition to your repair tools. Enhance your tool's performance and continue with your project smoothly with DeWALT's Replacement Spool. Experience practicality and build with excellence, just like what DeWALT stands for.
Screw Socket Head, M5 X 22 – Part Number: 90614038
$6.40
On Order
Screw – Part Number: 330019-15
$6.40
In Stock
Screw
Part #330019-15
CLAMP – Part Number: 90615950
$6.40
In Stock
CLAMP
Part #90615950
GUARD – Part Number: N496261
$17.42
In Stock
GUARD
Part #N496261
Lock Off Spring – Part Number: 90602633
$6.40
In Stock
Lock Off Spring
Part #90602633
See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

Search repair tips from other customers using simple keywords like "replace", "fit", "remove", "inspect". DIY doesn't mean you have to do it alone!

Search filter:
Clear Filter
Your search term must have 3 or more characters.
Spindle locked up, causing string head to not rotate.
1 of 8 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.
Was this helpful?
Thank you for voting!