Dewalt 494578-00 Armature 120 Volt

Product Description

The DEWALT 494578-00 is a 120-volt replacement armature designed for use in DEWALT power tools. The armature is the rotating core of a universal or series-wound motor, converting electrical energy into mechanical rotation to drive tool function. This component is a direct OEM-replacement part, typically installed when the original armature shows signs of wear, burning, or failure resulting in loss of motor power or abnormal operation. Installation is performed by qualified service technicians or experienced repair professionals.

This armature is rated for 120-volt AC operation, making it suited for standard North American line voltage applications. It is used in the motor assembly of compatible DEWALT power tools and is a factory-specified replacement part. Technicians performing motor rebuilds or field repairs will find this component appropriate for restoring tool performance to original operating condition.

Key Features

• 120-volt rating matched to standard North American AC power supply
• OEM replacement part engineered to factory specifications
• Direct drop-in replacement to simplify motor assembly service
• Designed for use in DEWALT power tool motor assemblies

Compatibility

Designed as an OEM replacement armature for compatible DEWALT 120-volt power tools. Consult the tool model documentation or DEWALT service resources to confirm fitment before ordering.

Installation Notes

Armature replacement should be performed by a qualified power tool service technician. Always disconnect the tool from its power source and discharge any stored energy before disassembling the motor housing. Handle the armature carefully to avoid damage to the windings or commutator surface. Refer to the applicable DEWALT service manual for disassembly sequence and reassembly torque guidance.

Technical Specifications

• Voltage: 120 volts
• Component Type: Armature

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: 494578-00