Features & advantage: High accuracy hermetically sealed, small size Name: Downstream O2 Oxygen Sensors Type: Heating Type Sensor Type: Piezoelectric Other Part Number: 234-4294 NO.: 2344294, 8125907500, 8126045380, 2344294, SU9647 Fits Vehicle: For Trailblazer L6-4.2L Downstream 2009-2007 for 2008 Enclave 3.6L 2007 4.2L For 2007-2012 2.9L 2007-2012 3.7L 2008 2.4L 2007-2009 Trailblazer 4.2L For 2007-2008 Acadia 3.6L 2007-2012 2.9L 2007-2012 3.7L 2007-2009 Envoy 4.2L for 2007-2010 H3 3.7L 2009-2010 H3T 3.7L for 2006-2008 Ascender 4.2L 2006 Ascender 5.3L 2007-2008 i-290 2.9L 2007-2008 i-370 3.7L 2008 for G6 2.4L 2007-2009 for Saab 9-7x 4.2L for 2007-2008 Aura 2.4L 2007-2008 Outlook 3.6L 2008-2009 Vue 2.4L/3.6L Material: plastic colour: As Shown Package Contents: 1 x Downstream O2 Oxygen Sensors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.