The Gates heater control valve for 2004–2009 Toyota Prius 1.5L electric‑assist applications is an electric coolant valve that routes coolant for the vehicle's heater circuit. Supplied for this specific application, the valve restores electrically controlled heater flow after a failed unit and helps return proper HVAC function for the listed Prius models.
Gates 04-09 Toyota Prius 4-Cyl. 1.5L Electric Assist Heater Control Valve Electric Coolant Valve