Compatibility: 1997-1998 Ford Explorer 4.0L 1998 Ford Explorer 5.0L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
4pcs Upstream + Downstream Fits 2013-2015 Cadillac XTS 3.6L 02 Oxygen O2 Sensor
4pcs Upstream + Downstream Fits 11-13 Chevrolet Caprice 6.0L 02 Oxygen O2 Sensor
4PCS Upstream & Downstream Fits 2004-2005 Cadillac CTS 5.7L 02 Oxygen O2 Sensor
4pcs Upstream + Downstream Fits 2007 Cadillac CTS 6.0L 02 Oxygen O2 Sensor
4pcs Upstream & Downstream/Rear Fits 2000 Jeep Wrangler 4.0L Oxygen O2 Sensor
For 01-03 Mercedes-Benz ML320 3.2L 4pcs Upstream+ Downstream O2 02 Oxygen Sensor
