Specifications Type:Heating Type Repeatability:- Hysteresis:- Linear:- Measuring Range:- Sensitivity:3 wires Sensor Type:Piezoelectric Origin:Mainland China Resolution:22690-AA090 22690-AA150 22690-AA170 22690-AA180 22690-AA370 22690-AA OEM NO.:22690-AA090,22690-AA150,22690-AA170,22690-AA180,22690-AA370,22690-AA740 SubaruLiberty OutbackB10 B11 B12Impreza G10 G11Oxygen O2 sensor 3 WIRE 3 wire Oxygen O2sensor for Subaru Liberty OutbackB10, B11 and B12and Impreza G10 and G11with EJ16, EJ18,EJ20, EJ22, EJ22E, EJ201,EJ251and otherengines from 1989-2005. This Lambda sensorpart number 22690-AA090,22690-AA150, 22690-AA170, 22690-AA180, 22690-AA370, 22690-AA740.A failed oxygen or O2 sensor can cause economy, power and smoke issues on yourSubaru Liberty OutbackB10, B11 and B12and Impreza G10 and G11with EJ16, EJ18,EJ20, EJ22, EJ22E, EJ201,EJ251and otherengines from 1989-2005 . These O2 sensorscome witha 12 month warranty period from Auto Sensors Australia. Please check table below for fitment details and confirm the part number and 3 wire plug picturedare correct for your car as there are some variations . We are here to help and have been serving the professional motor trade and home mechanic on ebay since 2003. Please see table below for fitment info and also check part number and plug to confirm the part is the same as fitted to your vehicle. Thissensor Replaces Part nos. 22690-AA090 22690-AA150 22690-AA170 22690-AA180 22690-AA370 22690-AA740 NOTE THERE are 2 different 3 wire sensors used by Subaru .Please confirm before purchasing using above part numbers and has the same plug. for the models listed in the table below Subaru Liberty/Outback B10 5/89-6/92 EJ16 1.6L Check part no Subaru Liberty/Outback B10 5/89-10/93 EJ18 1.8L Check part no Subaru Liberty/Outback B10 5/89-9/94 EJ20 2.0L Check part no Subaru Liberty/Outback B10 5/89-9/94 EJ22 2.2L MY90-MY94-Check part no. Subaru Liberty/Outback B11 11/93-5/99 EJ20E 2.0L Check part no. Subaru Liberty/Outback B11 11/93-11/98 EJ22E 2.2L Check part no. Subaru Liberty/Outback B12 4/98-6/03 EJ201 2.0L AUS-MY99-MY03-Check part no. Subaru Liberty/Outback B12 4/98-6/03 EJ251 2.5L Subaru Impreza G10 8/92-7/98 EJ16E 1.6L MY93-MY98-Check part no Subaru Impreza G10 3/98-9/00 EJ161 1.6L MY99/MY00-Check part no Subaru Impreza G10 8/92-7/97 EJ18E 1.8L Check part no Subaru Impreza G10 5/95-7/98 EJ20E 2.0L Check part no Subaru Impreza G10 3/98-9/00 EJ201 2.0L MY99 / MY00 -Check part no Subaru Impreza G11 4/00-7/01 EJ201 2.0L MY01 -Check part no Subaru Impreza G11 4/01-10/02 EJ201 2.0L SOHC MY02-Check part no Subaru Impreza G11 7/03-7/05 EJ201 2.0L SOHC MY04/MY05-Check part no Subaru Impreza G11 4/01-7/05 EJ251 2.5L Check part no Subaru Impreza G11 7/02-8/03 EJ201 2.0L SOHC Post - cat sensor MY03 -Check part no