Photo 1 of Sangyue 4x Oxygen O2 Sensor for 2006-2007 Cadillac CTS 2.8L 3.6L; 2006-2007 Cadillac STS SRX 3.6L Upstream + Downstream

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Photo 1 of Sangyue 4x Oxygen O2 Sensor for 2006-2007 Cadillac CTS 2.8L 3.6L; 2006-2007 Cadillac STS SRX 3.6L Upstream + DownstreamPhoto 2 of Sangyue 4x Oxygen O2 Sensor for 2006-2007 Cadillac CTS 2.8L 3.6L; 2006-2007 Cadillac STS SRX 3.6L Upstream + DownstreamPhoto 3 of Sangyue 4x Oxygen O2 Sensor for 2006-2007 Cadillac CTS 2.8L 3.6L; 2006-2007 Cadillac STS SRX 3.6L Upstream + Downstream