Upstream+Downstream for 1999 Subaru Forester 2.5L Oxygen o2 02 Sensor 2pcs

2pcs For 03-04 Subaru Outback Impreza 2.5L Front+Rear A/F Ratio O2 Oxygen Sensor

For Subaru Forester Impreza Legacy 2.5L Upstream &Downstream Oxygen O2 02 Sensor

2PCS Upstream & Downstream Oxygen Sensor for Subaru Forester Impreza Legacy 2.5L

2Pcs Up+Downstream Oxygen Sensor For 2013-2014 Subaru Legacy Outback 2.5L US

Upstream Air Fuel Ratio 02 O2 Oxygen Sensor For 2013-2015 Subaru WRX STI 2.5L H4

2pcs O2 Oxygen Sensor for 1999 Subaru Forester 2.5L H4 Upstream & Downstream

2Pcs Upstream & Downstream O2 Oxygen Sensor for Subaru Forester Outback Legacy