Makita Genuine 513603-6 Armature Assembly 240V for Makita JR3070CT Cordless Circular Saw

The Makita 513603-6 Armature Assembly is a genuine OEM replacement part for the Makita JR3070CT reciprocating saw, restoring motor performance on 240V UK mains-powered tools.

As the rotating core of the motor, the armature is built around copper windings on a laminated steel core with a precision-ground steel shaft and machined commutator. When an armature fails through wear, heat damage, or heavy site use, the result is lost torque, rough running, and reduced cutting efficiency. Fitting this direct-replacement component brings the motor back to original specification without modification.

The machined commutator ensures reliable contact with the carbon brushes, supporting consistent power transfer and stable output under load. The precision-balanced rotor helps reduce vibration during operation, while the high-quality copper windings and durable steel shaft are built to withstand the demands of regular professional use. This makes it a practical choice for contractors and tradespeople who rely on their JR3070CT for cutting wood, metal, and plastics on site.

Being a genuine Makita part, the 513603-6 is manufactured to the same standards as the original component, ensuring correct electrical and mechanical fit within the JR3070CT motor housing. For best results, Makita recommends installing with serviceable brushes and bearings to support cooler, more efficient operation.

Features and Benefits:
• Genuine Makita OEM part (513603-6) for assured compatibility with the JR3070CT
• 240V specification for UK mains-powered tools
• Precision-balanced rotor for smooth running and reduced vibration
• Copper windings on laminated steel core for reliable power transfer
• Machined commutator for consistent brush contact and stable output
• Direct-fit replacement — no modifications required
• Restores cutting torque and motor efficiency after wear or damage
• Supports cooler operation when installed alongside good brushes and bearings
• Suitable for professional site use and regular DIY applications

Specifications:
Voltage: 240V
Part Number: 513603-6
Compatible Model: Makita JR3070CT