Motor Type: Three-Phase Brushless DC Motor. ✔ High-Efficiency Three-Phase Brushless DC Motor. Type A: Only Oil Pump+ Wiring Harnesses (Motor phase + Hall sensor). Pump Type; Gerotor Oil Pump. For easy installation, the pump has been fitted with a custom-machined aluminum adapter block and dual 12mm push-to-connect fittings, allowing quick connection to common tubing systems.