Reference OE/OEM NumberG9020-47030, G9020-47031, 04000-32528, 0400032528, 04000 32528, G902047031, G902047030. Electric Inverter Water Pump for Toyota Prius 2004-2009 G9020-47031 04000-32528. 2009 For Toyota Prius Base Hatchback 4-Door 1.5L ELECTRIC / GAS DOHC Naturally Aspirated.