for 2003-2006 GMC Sierra 1500 4.3L Premium 2X Downstream Oxygen O2 02 Sensor

2x O2 Oxygen 02 Sensor for 2003-2005 2006 GMC Sierra 1500 4.3L Downstream

Oxygen O2 02 Sensor For 1999-2002 GMC Sierra 1500 4.3L 4.8L Downstream

Oxygen 02 O2 Sensor For 2002-2004 GMC Sonoma 4.3L Upstream & Downstream Set 2

Denso OEM Oxygen Sensor 234-4112 For GMC SIERRA 1500 2007 4.3L V6 Downstream

Oxygen 02 O2 Sensor For 99-2002 GMC Sierra 1500 4.8L Upstream & Downstream Set 2

2Pcs O2 Oxygen Sensor for 99-02 Chevy Silverado 1500 GMC Sierra 1500 Downstream