Black & Decker 90617812 Auxiliary Handle – Genuine OEM Replacement String Trimmer Side Handle
Part Number: 90617812
Category: Outdoor Power Equipment Parts → String Trimmer Components → Auxiliary Handles
Type: Black & Decker 90617812 Auxiliary Handle – Genuine OEM Replacement String Trimmer Side Handle
The Black & Decker 90617812 Auxiliary Handle is a genuine OEM replacement side handle designed for compatible Black & Decker string trimmers. Mounted to the trimmer shaft, this handle provides an additional gripping point to support two-handed control, balance, and maneuverability during edging and trimming tasks. Manufactured to original equipment specifications, it provides the correct fit and positioning required when replacing a cracked, loose, damaged, or missing auxiliary handle.
Key Features & Benefits
- Part Number: 90617812
- Genuine OEM Black & Decker replacement part
- Designed for compatible Black & Decker string trimmers
- Replacement auxiliary or side handle
- Provides an additional gripping point
- Supports two-handed trimmer control
- Helps improve balance and maneuverability
- Supports comfortable trimming and edging
- Direct replacement for a damaged or missing handle
- Manufactured to original equipment specifications
- Durable construction for dependable outdoor use
Technical Specifications
- Part Number: 90617812
- Manufacturer: Black & Decker
- Product Type: String Trimmer Auxiliary Handle
- Installation Location: Designated trimmer shaft mounting point
- Application: Operator control, balance, and maneuverability
- OEM Part: Yes
- Quantity: Sold Individually
Compatible Applications
The Black & Decker 90617812 Auxiliary Handle is designed for use with select Black & Decker string trimmers and compatible shaft assemblies.
Always verify the string trimmer model, type number, shaft design, original part number, mounting configuration, included hardware, and applicable parts diagram before ordering to ensure proper compatibility.
Function of the Auxiliary Handle
The 90617812 Auxiliary Handle is designed to:
- Provide a secure secondary gripping point
- Support controlled two-handed trimmer operation
- Help distribute tool weight between both hands
- Improve balance during trimming and edging
- Assist with guiding the cutting head
- Help reduce strain during extended use
- Restore the trimmer’s original handling functionality
A properly positioned and securely mounted auxiliary handle helps the operator maintain control while keeping a safe working distance from the cutting head.
Common Signs Replacement Is Needed
Replace the auxiliary handle if you notice:
- Handle is cracked, split, or broken
- Grip surface is excessively worn
- Handle moves or rotates during operation
- Mounting points are damaged
- Adjustment mechanism will not remain secure
- Handle cannot be positioned comfortably
- Fasteners repeatedly loosen
- Original handle is missing
A loose or damaged auxiliary handle can reduce control and make the trimmer more difficult to guide safely.
Installation & Service Notes
- Disconnect the trimmer from its power source before servicing.
- Remove the battery pack from cordless models.
- Allow the cutting head and trimmer line to stop completely.
- Note the original handle position and mounting orientation.
- Remove the damaged handle and inspect the shaft for damage.
- Position the 90617812 Auxiliary Handle at the designated mounting location.
- Reuse existing mounting hardware only if it is undamaged and compatible.
- Tighten all fasteners evenly and securely.
- Adjust the handle to a comfortable operating position.
- Confirm that the handle does not rotate, slide, or interfere with controls.
- Test the trimmer briefly in a clear outdoor area before regular use.
Important: Mounting hardware may be sold separately unless specifically included with the assembly. Never operate the string trimmer with a loose, cracked, or improperly installed auxiliary handle.
Maintenance Recommendations
- Inspect the handle and mounting points before each use.
- Tighten loose mounting hardware promptly.
- Keep the grip clean and free of oil, moisture, and debris.
- Check the adjustment mechanism for wear or damage.
- Avoid using the auxiliary handle to carry or hang the trimmer.
- Replace cracked or distorted components rather than attempting repairs.
- Store the trimmer where the handle will not be crushed or struck.
- Use genuine OEM replacement parts to maintain proper fit, handling, and dependable trimmer control.
