2PCS Oxygen O2 Sensor Downstream & Upstream for Cadillac CTS STS SRX 3.6L 3.0L

2PCS New Downstream Upstream Oxygen O2 Sensor for Cadillac CTS STS SRX 3.6L 3.0L

OEM 2Pcs Upstream Oxygen O2 Sensor For 2008 2009 2010 2011 Cadillac STS CTS 3.6L

2pcs Upstream&Downstream for 05 Cadillac CTS Air Fuel Ratio Oxygen o2 02 Sensor

2PCS Downstream & Upstream Oxygen O2 Sensor for Cadillac CTS STS SRX 3.6L 3.0L

2pcs Upstream&Downstream for 05 Cadillac CTS Air Fuel Ratio Oxygen o2 02 Sensor

2x Downstream + Upstream Oxygen O2 Sensor For Cadillac CTS STS SRX 3.0L 3.6L

2x Oxygen Sensor Fit 2005-2011 Cadillac CTS SRX STS 2.8L 3.6L 4.6L Downstream US