Wastegate (Boost) Controller Receptacle B Alternative Part Names: Boost Control Solenoid; Waste Gate Duty Solenoid Receptacle; Boost Solenoid Receptacle; Electronic Boost Control Solenoid Receptacle; BCS Receptacle; EBCS Receptacle; Boost Controller Receptacle or Wastegate Control Solenoid Valve replacement for Subaru Associated Subaru Part Numbers: 16102AA520 Looking for the matching Wastegate (Boost) Controller Plug B? Housing Only = Connector only and lock (if applicable).Connector Kit = Connector with loose terminals and seals. Kits come with 1 extra terminal and seal. Pigtail = Prewired connector, includes 12 inches of wire per terminal.Pigtail with Crimps = Our pigtail option with one butt connector (crimp) per wire for easy install, includes 12 inches of wire per terminal.