Genuine Makita Rotor Assembly (Part No. 510329-1) — a direct-fit armature/rotor designed to restore power and smooth operation to your Makita XAG10 / DGA-series angle grinders and DSC/rod cutter models. This original Makita rotor assembly replaces worn or damaged armatures that cause sparking, loss of torque or overheating, and installs quickly for reliable performance on DGA456, DGA458, DGA504/DGA505/DGA506 and compatible models.

Built to the factory specification for fit and function, 510329-1 is the rotating core that delivers the driving force to the gearbox — an essential replacement when your tool shows signs of motor distress. It’s listed as the direct replacement for former Makita part numbers such as 519354-9 and 519378-5, and is supplied as a genuine Makita component to ensure long service life and precise balance. Keep your kit working like new with authentic Makita parts that restore performance and extend tool life.

Browse our full range of Makita grinder parts.