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

2Pcs Upstream & Downstream Oxygen O2 Sensor For 1999 Subaru Legacy 2.2L 2.5L

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

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

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

2pcs A/F Ratio 02 O2 Oxygen Sensor Upstream Downstream for 04 Subaru Legacy 2.5L