2pcs Upstream+Downstream for 99-03 Mazda Protege 1.6 L4 Oxygen Sensor O2 02

2X Upstream & Downstream O2 02 Sensors Oxygen Sensor for 99-03 Mazda Protege 1.6

2pcs O2 02 Sensors Upstream+Downstream Oxygen Sensor for 99-03 Mazda Protege 1.6

2pcs for 1996-1997 Toyota Corolla 1.6L Upstream Downstream Oxygen Sensor O2 02

2pcs Oxygen o2 02 Sensor Upstream and Downstream for 2001-2003 Kia Rio 1.6L 1.5L

2pcs O2 02 Oxygen Sensor Upstream&Downstream Fits 1996-1997 Geo Prizm 1.6L