For 04-07 Mercury Monterey 4.2L Upstream and Downstream O2 02 Oxygen Sensor 2pcs

2pcs Upstream & Downstream Fits 04-2007 Mercury Monterey 4.2L O2 Oxygen Sensor

✔2pcs Upstream & Downstream for 04-2007 Ford Freestar 3.9L 4.2L O2 Oxygen Sensor

2pcs Fits 2004-2007 Ford Freestar 4.2L O2 02 Oxygen Sensor Upstream & Downstream

2pcs for Mercury Monterey 4.2L Upstream Downstream 02 O2 Oxygen Sensor 2004-2007

2pcs Upstream+Downstream for 2007-2012 GMC Canyon 3.7L Oxygen Sensor O2 02

✔2pcs for 2002-2003 GMC Envoy XL 4.2L Upstream Downstream Oxygen Sensor O2 02