PRIUS PLUG-IN 2012 -2017 Mk1 (ZVW35). Item Specifics:2012 - 2017 - MK1 - 1.8 HYBRID - EXPANSION TANK -. Model:PRIUS PLUG-IN. Part:Expansion/Overflow Bottle. This Expansion/Overflow Bottle was removed from a2013 car and has been fully inspected.