EXPANSION TANK CAP; Prius AWD-E. EXPANSION TANK CAP; Prius Prime. EXPANSION TANK CAP; Prius. A cover that prevents foreign debris from entering the container. Cap for the Hybrid Inverter Coolant Reservoir. Charge Air Cooling. Engine Cooling. Exc.Japan Built. From 03/08. From 03/2016. From 04/2008. From 04/2012. From 04/2016. From 05/06. From 05/2011. From 06/2011. From 08/2016. From 10/2011. From 10/2014. From 10/2016. From 12/2014. From 12/2018. Inverter Cooling. Japan Built. Location-Reservoir. Part included in Reservoir assembly. Part serviced with Reservoir. Radiator Cap. To 02/2016. To 03/08. To 03/2012. To 03/2016. To 04/2006. To 04/2011. To 04/2012. To 04/2016. To 05/2011. To 07/2016. To 07/2020. To 09/2014. To 09/2016. To 10/2011. To 10/2014. To 11/2014. To 11/2018. To 12/2014. Drive Motor Inverter Coolant. Engine Coolant. Radiator. Reserve. Included with: Auxiliary Reservoir, Part not included with Reservoir, Recovery Tank, Reserve Tank, Reservior, Reservoir, Reservoir assembly, Reservoir assy, Reservoir Tank.