Front O2 Sensor Receptacle for Subaru. 
 
Looking for the matching Front O2 Sensor Plug? 
Looking for the 4 pin Front O2 Sensor 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