Interchange part number: Genuine OEM Prius Water Pump 04000-32528. 2009 Toyota Prius Base Hatchback 4-Door 1.5L 1497CC l4 ELECTRIC/GAS DOHC Naturally Aspirated. 2009 Toyota Prius Touring Hatchback 4-Door 1.5L 1497CC l4 ELECTRIC/GAS DOHC Naturally Aspirated.