Compatibility: 2001-2002 Chevrolet Express 3500 8.1L 2001-2002 GMC Savana 3500 8.1L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
4X Set Upper+Down Oxygen Sensor O2 02 Sensors for 04-05 Pontiac Bonneville 3.8
4X O2 Oxygen Sensor Upstream Downstream For 2001-2018 Jeep Wrangler V6 3.6L 3.8L
4X O2 Oxygen Sensor For Chevy Silverado GMC Yukon Sierra 1500 2500 HD 3500 6.0L
4X O2 Oxygen Sensor Front & Rear For 2002-2012 Jeep Liberty 2.4L 3.7L 234-4029
4X O2 Oxygen Sensor For Silverado 2003 2004 2005 2006 2007 GMC Sierra 2500 6.0L
4x O2 Oxygen Sensor Up+Downstream For 2013-2019 Ford Explorer 3.5L Turbo
