For Toyota For Prius 2004 2005 2006 2007 2008 2009 Evap Vacuum Vapor Canister Purge Valve Solenoid 9091012259. Can ensure proper function of your vehicle's evaporative emissions system and improve fuel economy and performance. Designed to regulate the amount of exhaust gas entering the intake manifold, they facilitate precise recirculation of exhaust gases. These vacuum solenoid valves precisely regulate the flow of exhaust gas into the intake manifold, enabling refined control of exhaust gas recirculation. They effectively manage the emission of fuel vapor and oil vapor from the engine combustion chamber, ensuring the stable and reliable operation of the vehicle's evaporative emission system., Manufacturer: Weurwvu