Compatibility: 2015 Cadillac CTS 3.6L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
2pcs 2Pcs Downstream Fits 2015 Cadillac CTS 3.6L 02 Oxygen O2 Sensor
2Pcs Upstream + 2Pcs Downstream Fits 2015 Dodge Viper 8.4L 02 Oxygen O2 Sensor
2pcs Up & Downstream Fits 2004-2005 Honda Civic 1.7L Air Fuel Ratio O2 Sensor
?2pcs Upstream & Downstream Fits 2007 Cadillac CTS 6.0L 02 Oxygen O2 Sensor
?2pcs Upstream & Downstream Fits 2003-2004 Lexus GX470 4.7L 02 Oxygen O2 Sensor
2pcs Up & Downstream Fits 1999 Toyota 4Runner 2.7L Air Fuel Ratio O2 Sensor
