Replacement Wiring Harness OEM Gray Square Alternator Sensor Plug for Subaru WRX, STI, EJ Engines built in 1998 or later.
 
Looking for the 3 Pin Alternator Plug? 
 
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