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

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

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

AISIN Downstream Oxygen (O2) Sensor for Subaru Outback Impreza Legacy 1999-2002

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

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

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

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