2pcs for 1999 Subaru Legacy 2.5L Upstream Downstream Oxygen Sensor O2 02

For 07-08 Subaru Legacy 2.5L 2pcs A/F Ratio Oxygen O2 02 Sensor Pre Downstream

Oxygen o2 02 Sensor 2pcs for 1999 Subaru Legacy 2.2L 2.5L Upstream+Downstream

02 Oxygen O2 Sensor for 1999 Subaru Legacy 2.2L 2.5L Upstream Downstream 2pcs

For 03-04 Subaru Legacy 2.5L A/F Ratio Oxygen Sensor O2 Upstream Downstream 2pcs

2pcs Upstream&Downstream for 06-09 Subaru Legacy 2.5 Air Fuel Ratio o2 02 Sensor

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