Bosch LSU 4.2 Oxygen Sensor Plug.
Alternative Part Names: Front Oxygen sensor; Upstream Oxygen Sensor; Lambda Sensor Plug; AF Sensor plug, Air Fuel Ratio Sensor
Associated Subaru Part Numbers: 22791AA00A; 22641AA011; 22641AA012; 22641AA01A; 22641AA01B
Housing Only = Connector only and lock (if applicable).
Connector Kit = Connector with loose terminals and seals.
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.