Application:  

For Chevrolet Silverado 1500  5.3L 2003-2005
For Chevrolet Tahoe 5.3L 2003-2005
For GMC Sierra 1500 5.3L 2003-2005
For GMC Yukon 5.3L 2003-2005
For Buick    Rendezvous 3.5L 2006-2007
For Buick    Terraza 3.5L 2005-2007
For Pontiac Montana SV6 3.9L 2006
For Pontiac Montana SV6 3.5L 2005-2006
For Pontiac Torrent 3.4L 2006-2007
For Saturn Relay 3.5L 2005-2006
For Saturn Relay 3.5L 2006-2007

Condition: Brand New
 

Type: Oxygen Sensor
 

Warranty: 1 Year
 

Wires: 4 
 

Position: Upstream & Downstream 
 

Replace for part number:  

234-4668, 15284, 21546, SG1857, 234-4647,  ES20007, 213-1568, 213-3628, 213-3237, 234-4342, 2344342 , 12607410, 12609001, 12611127, 8125731670 , 12569429, 12573005, 12573167, 12576131, 12583290, SG1855

Package Include: 

4Pcs Oxygen Sensors(Upstream & Downstream) as Pictured

Symptoms of a failing oxygen sensor includes:

-Sensor light on dash indicates problem,
-Increased tailpipe emissions,
-Increased fuel consumption,
-Hesitation on acceleration,
-Stalling,
-Rough idling.

Note:  Please check OE# with listed pictures above and make sure it fits you vehicle.