2pcs O2 Oxygen Sensor Front Rear Downstream Upstream For Ford Mercury 11171843

2Pcs O2 Oxygen Sensors Front & Rear Downstream & Upstream For Ford Ranger

2Pcs O2 Oxygen Sensors Front & Rear Downstream & Upstream For Ford Explorer

2Pcs O2 Oxygen Sensors Front & Rear Downstream & Upstream For Ford Taurus

2Pcs O2 Oxygen Sensors Front & Rear Downstream & Upstream For Ford Freestyle

For 2001-2003 Ford Focus 2.0L 2 Pcs Upstream & Downstream Oxygen O2 02 Sensors

2PCS Front & Rear Upstream Downstream O2 Oxygen Sensor For Ford Mercury 15717

2pcs O2 Oxygen Sensor Front Rear Downstream Upstream For Ford Mercury 11171843