Black & Decker 90583594 / 90583594N Spool Cap Assembly – Genuine OEM Replacement String Trimmer Cap for GH3000
Part Number: 90583594N
Category: Outdoor Power Equipment Parts → String Trimmer Parts → Spool Caps
Type: Black & Decker 90583594 / 90583594N Spool Cap Assembly – Genuine OEM Replacement String Trimmer Cap for GH3000
The Black & Decker 90583594 / 90583594N Spool Cap Assembly is a genuine OEM replacement spool cap designed for the Black & Decker GH3000 High Performance Electric String Trimmer. This durable molded plastic cap securely locks the trimmer spool into the spool housing while allowing the automatic feed mechanism to operate correctly. Manufactured to original equipment specifications, it provides a direct-fit replacement for cracked, worn, or missing spool caps, restoring reliable line retention and proper trimmer performance. The updated part number 90583594N replaces the original 90583594 and is fully compatible with the GH3000.
Key Features & Benefits
- Part Number: 90583594 / 90583594N
- Genuine OEM Black & Decker replacement part
- Updated 90583594N replaces 90583594
- Replacement spool cap assembly
- Secures the spool inside the trimmer head
- Maintains proper automatic line feed operation
- Durable impact-resistant plastic construction
- Tool-free snap-in installation
- Direct-fit OEM replacement
- Manufactured to original equipment specifications
Technical Specifications
Part Number: 90583594 / 90583594N
Manufacturer: Black & Decker
Product Type: Spool Cap Assembly
Material: Durable Molded Plastic
OEM Part: Yes
Quantity: Sold Individually
Superseded Part Number: 90583594 → 90583594N
Compatible Applications
The Black & Decker 90583594 / 90583594N Spool Cap Assembly fits:
- Black & Decker GH3000 High Performance 7.5 Amp 14" Electric String Trimmer (Type 1)
Always verify your trimmer model and original part number before ordering to ensure proper compatibility.
Function of the Spool Cap Assembly
The 90583594 / 90583594N Spool Cap Assembly is an essential component of the trimmer head. It helps to:
- Secure the spool inside the spool housing
- Maintain proper spool alignment
- Allow the automatic line feed system to function correctly
- Prevent the spool from disengaging during operation
- Restore the trimmer's original line retention system
Using a genuine OEM replacement spool cap helps ensure proper fit, reliable operation, and long service life.
Common Signs Replacement Is Needed
Replace the spool cap if you notice:
- Cracked or broken cap
- Broken locking tabs
- Cap will not stay secured
- Spool repeatedly falls out
- Excessive wear around the center hub
- Automatic line feed no longer functions properly
A damaged spool cap can prevent the spool from remaining properly seated, resulting in poor line feeding and interrupted trimming performance.
Installation & Service Notes
Disconnect the trimmer from the power source before servicing.
Press the two locking tabs on the existing spool cap and remove it from the spool housing. Clean any accumulated grass, dirt, or debris from the spool compartment and inspect the spool and spring for wear or damage. Position the replacement 90583594N Spool Cap Assembly over the spool housing, align the locking tabs with the slots, and press firmly until the cap snaps securely into place. Verify that the spool rotates freely and that the cap is fully engaged before returning the trimmer to service. Installation typically takes less than five minutes and requires no tools.
Important: Always verify your trimmer model and original part number before ordering. The 90583594N cap replaces the earlier 90583594 and is the correct OEM replacement for compatible GH3000 trimmers. Use genuine OEM Black & Decker replacement parts to ensure proper fit, reliable line retention, and long-term trimmer performance.
Maintenance Recommendations
- Clean grass and debris from the spool housing after each use.
- Inspect the locking tabs regularly for wear or damage.
- Replace cracked or loose spool caps promptly.
- Verify the spool is installed correctly before snapping the cap into place.
- Avoid forcing the cap during installation to prevent tab damage.
- Use genuine OEM replacement parts to maintain factory fit, reliable line feeding, and long-term string trimmer performance.
