4PCS Upstream & Downstream O2 Oxygen Sensor For Chevy Silverado GMC Sierra Yukon

4Pcs Up+Down O2 Oxygen Sensor For Chevy Silverado Hummer H2 6.0L V6 2003-2006

4pcs Oxygen sensor For Chevy Silverado 2003-2007 GMC Sierra 2500HD 6.0L 234-4256

4pcs O2 Oxygen Sensor 234-4256 For 03-07 Chevy Silverado GMC Sierra 2500HD 6.0L

4x O2 Oxygen Sensor For Chevy Silverado GMC Yukon Sierra 1500 2500 HD 3500 6.0L

4pcs O2 Oxygen Sensor For Chevy Silverado GMC Sierra 2500HD 6.0L 2003-2007

O2 Oxygen 02 Sensor 213-1161 for Cadillac Chevy GMC Sierra Silverado 1500 6.0L

Fits 2003-2006 Chevy Silverado 1500 6.0L 4 Pcs Front & Rear Oxygen O2 02 Sensor