1522 1987-1994 Land Rover Range Rover 70-95 Defender 93-95 water pumpFlowkooler High Flow pump for the Land Rover 3500 motor has a CNC machined billet impeller designed with an increased vane count and a reduced plate to impeller clearance. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II military grade surface coating which protects against corrosive fluids. FlowKooler introduced the first hi flow pumps and continues to improve impeller