Description
Overview:
This 18V armature is a genuine DeWalt replacement part designed to restore the performance of your cordless rotary hammer. It sits at the heart of the motor, using copper windings around a laminated steel core and a precision-machined commutator to produce the electromagnetic force that turns the motor and drives the hammering mechanism. Built for reliability in demanding use, it is engineered for DeWalt rotary hammers such as the DCH243 and DCH253. If your tool is sparking, losing power, or running rough, replacing a worn armature can help return smooth operation and consistent drilling and chiselling performance. Supplied to OEM specification (N392987), it provides a direct fit and dependable compatibility for trade, site, and workshop use.
Key Features:
- Genuine DeWalt part for assured compatibility and quality
- OEM No. N392987 for precise fitment
- 18V specification for cordless rotary hammer models
- Copper windings and laminated steel core for durability and efficiency
- Factory-balanced rotor for smooth running and reduced vibration
- Direct replacement with no modifications required
- Helps restore torque, speed, and hammer action in tired tools
- Robust build suitable for regular site and workshop use
- Supports quick installation with standard workshop tools
- Compatible with DCH243, DCH253, and DCH254
Typical Applications:
Replacing a damaged or burnt-out armature to maintain the drilling and chiselling performance of DeWalt 18V rotary hammers. Suitable for drilling anchor holes and fixings in concrete, brick, and block, light chiselling for chasing and patching, and general renovation tasks. Ideal for electricians, plumbers, builders, facilities maintenance teams, and DIY users who need reliable tool uptime.
Also known as:
Armature rotor, motor rotor assembly, rotary hammer armature, hammer drill armature, DeWalt rotor, electric motor armature for rotary hammer, rotor core.
Fits Models:
DCH243, DCH253, DCH254
Product Specifications
| L&S Part No. | N392987 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Black & Decker |
| OEM No. | 392987 |
| Unit of Sale | 1 |
| Machine Type | Rotary Hammer |
| Fits Brands | DeWalt |
| Key Features | - Genuine DeWalt part ensures compatibility and quality - OEM No. N392987 for precise fitment - 18V specification for cordless rotary hammers - Copper windings and laminated steel core enhance durability - Compatible with DCH243, DCH253, and DCH254 models |
| Fits Models | DCH243 | DCH253 | DCH253 Type 1 | DCH254 | DCH254 Type 1 |
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