Buick Lucerne V8-4.6L 2006-2011 Downstream. Cadillac DTS V8-4.6L 2006-2011 Downstream. Pontiac Solstice L4-2.4L 2006-2007 Downstream. Saturn Sky L4-2.4L 2007 Downstream. ● High Performance - Oxygen Sensor Features double protection layer, aluminum oxide trap layer, PTFE filter, and stainless steel housing.
