2pcs Upstream+Downstream 02 Oxygen O2 Sensor for 2003 GMC Savana 2500 4.3L 4.8L

For 2003-2006 GMC Savana 1500 4.3L Upstream Downstream O2 02 Oxygen Sensor

Upstream Oxygen O2 Sensor For 1996-2002 GMC Savana 1500 2500 3500 Yukon 234-4012

Oxygen o2 02 Sensor Upstream for 2001-2002 GMC Savana 1500 4.3L

For 2001-2002 GMC Savana 1500 4.3L 1996-1999 5.7L 02 O2 Oxygen Sensor Upstream

4Pcs Up & Downstream 02 Oxygen O2 Sensor For 1996-2002 Chevrolet Tahoe GMC Yukon

?Upstream Oxygen Sensor 02 O2 Fits 234-4019 for GMC 1996 - 2002 Savana 1500 2500

4X Oxygen O2 Sensor For Chevy Silverado 1500 Tahoe Yukon 4* Upstream Downstream