Outside Air Temperature Sensor Plug or Ambient Sensor Plug for Subaru. Connector F78 on Subaru wiring diagrams.
 
Looking for the matching Outside Air Temp Receptacle? 
 
Housing Only = Plug Only
Connector Kit = Plug, Terminals, and Seals
Pigtail = Plug with Wire to Wire Connection, Terminals, and Seals
Pigtail with Crimps = Our Pigtail Option with a Butt Connector Crimp per Wire for Easy Install