13-Tooth Brushless Dual Speed Gearbox for 16.8V/21V Drill
13-Tooth Brushless Dual Speed Gearbox for 16.8V/21V Drill
13-Tooth Brushless Dual Speed Gearbox for 16.8V & 21V Cordless Drills
Keep your cordless drill or electric screwdriver running at peak performance with this precision-engineered 13-tooth brushless dual speed gearbox. Built from durable metal and plastic, this replacement gearbox is the ideal part to restore your power tool when the original gearbox becomes worn or damaged — saving you the cost of buying a whole new drill.
Key Features
- Dual Speed Operation: Supports two distinct speed settings, giving you versatile torque control for drilling and driving tasks.
- Brushless Compatibility: Engineered to work seamlessly with brushless motor cordless drills and electric screwdrivers.
- Wide Voltage Compatibility: Fits 16.8V and 21V cordless drill platforms — two of the most popular voltage ranges for DIY and trade use.
- 13-Tooth Gear Design: Precision-cut teeth for smooth, reliable power transmission and minimal wear.
- Sturdy Construction: Combination metal and plastic build balances strength with weight efficiency.
- Direct Replacement: Perfect drop-in replacement for damaged or worn original gearboxes — no special modifications needed.
- Color: Black
- Quantity: 1 pc Gearbox included
Specifications
| Product Name | Brushless Dual Speed Gearbox |
| Number of Teeth | 13 |
| Compatible Voltage | 16.8V / 21V |
| Material | Metal & Plastic |
| Color | Black |
| Quantity | 1 pc |
Package Contents
- 1 × 13-Tooth Brushless Dual Speed Gearbox
Important Notes
- Made in Mainland China.
- Color may vary slightly from images due to monitor settings and lighting conditions.
- Please allow minor measurement tolerances (±1–2 mm) due to manual measurement.
- Please verify your drill model and voltage before purchasing to ensure compatibility.
Related Products You May Like
Looking to maintain and upgrade your tools and projects? Check out these related items from our store:
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
- 360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit
- Garden Pruner Shears – Secateurs for Bonsai & Fruit Trees
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: What cordless drills is this 13-tooth brushless dual speed gearbox compatible with?
A: This gearbox is designed to fit cordless drills and electric screwdrivers operating at 16.8V or 21V with a brushless motor. It serves as a direct replacement for the original gearbox on compatible models. We recommend checking your tool's voltage and gearbox tooth count before ordering to confirm fitment.
Q: What is the gearbox made of, and how durable is it?
A: The gearbox is constructed from a combination of metal and plastic. The metal components provide robust strength for the gear teeth and load-bearing areas, while the plastic housing keeps the overall weight manageable — a balance that mirrors most OEM power tool gearboxes.
Q: Is this a direct drop-in replacement, or does it require modifications?
A: This 13-tooth brushless dual speed gearbox is designed as a direct replacement for worn or damaged original units on compatible 16.8V/21V cordless drills. No special modifications are typically required, though we always recommend confirming compatibility with your specific drill model before installation.
Q: How many gearbox units are included in the package?
A: Each order includes 1 × gearbox unit. If you need multiple units, simply adjust the quantity at checkout.