4pcs for 2003-2004 Cadillac CTS 3.2L Upstream+Downstream Oxygen o2 02 Sensor

For 2003-2004 Cadillac CTS 3.2L Oxygen O2 Sensor 02 Upstream+Downstream 4pcs

4pcs for 2003-2004 Cadillac CTS 3.2L Upstream+Downstream Oxygen o2 02 Sensor

4pcs for 2003-2004 Cadillac CTS 3.2L O2 Oxygen Sensor o2 Upstream Downstream

4pcs for 2003-04 Cadillac CTS 3.2L V6 Upstream+Downstream Oxygen Sensor 02 O2

4pcs for 2003-2004 Cadillac CTS 3.2L O2 Oxygen Sensor o2 Upstream Downstream

02 O2 Oxygen Sensor for 2003-2004 Cadillac CTS 3.2L Downstream OR Upstream

4pcs for 03-2004 Cadillac CTS 3.2L Oxygen Sensor O2 02 Upstream Downstream