For 2003-06 Chevy Suburban 2500 8.1L O2 Oxygen 02 Sensor Upstream OR Downstream

Upstream or Downstream For 03-06 Chevy Avalanche 2500 8.1L 02 O2 Oxygen Sensor

Upstream Downstream for 03-2006 Chevrolet Suburban 2500 8.1L Oxygen O2 02 Sensor

Upstream or Downstream For 03-06 Chevy Avalanche 2500 8.1L 02 O2 Oxygen Sensor

New Downstream Oxyge 02 O2 Sensor for GMC Savana 1500 Chevy Silverado 2500 C2500

2pcs Upstream Downstream O2 02 Oxygen Sensor for 03-2006 GMC Yukon XL 2500 8.1L

Downstream for 2008-2009 Buick Allure LaCrosse 3.8L Oxygen O2 02 Sensor