Product Features: The oxygen sensor features high-quality ceramic components and precious metal-coated electrodes, delivering precise and rapid oxygen concentration detection. The housing is made of high-temperature-resistant 310S stainless steel, offering excellent corrosion resistance and durability. Pre-applied anti-seize coating on the threads allows for direct installation Compatible Car Model: Compatible with Cadillac: 2009-2013 Escalade 6.0L, 2008-2014 Escalade 6.2L, 2008-2013 Escalade EXT 6.2L , 2008-2014 Escalade ESV 6.2L ; Chevy: 2008-2013 Avalanche 5.3L, 2008-2009 Avalanche 6.0L, 2008-2012 Silverado 1500 4.8L/5.3L/6.0L, 2009-2012 Silverado 1500 6.2L, 2008-2011 Silverado 2500 HD 6.0L, 2008-2011 Silverado 3500 HD 6.0L, 2008-2013 Suburban 1500 5.3L, 2008-2009 Suburban 1500 6.0L, 2008-2011, 2013 Suburban 2500 6.0L, 2008-2009 Tahoe 4.8L/6.2L, 2008-2013 Tahoe 5.3L, 2008-2012 Tahoe 6.0L Compatible Car Model: Compatible with GMC: 2008-2012 Sierra 1500 4.8L/5.3L/6.0L/6.2L, 2008-2011 Sierra 2500 HD 6.0L, 2008-2011 Sierra 3500 HD 6.0L, 2008-2009 Yukon 4.8L, 2008-2014 Yukon 5.3L/6.2L, 2008-2013 Yukon 6.0L, 2008-2014 Yukon XL 1500 5.3L/6.2L, 2008-2009 Yukon XL 1500 6.0L, 2008-2011 Yukon XL 2500 6.0L Replaces Part Number: upstream sensors: 234-4668, 250-24470, 350-34581, 25024470, 2344668, 35034581, OS5045, 12569429, 12573005, 12573167, 12576131, 12583290, 12607410, 12609001, 12611127, 8125731670. ; downstream sensors: 234-4256, 234 4256, 2344256, 12609457, 12611165, 92457789, 21066, ES20094, 15698, 25024736 Important Notice: Before buying, verify wire length, connector type, and check compatibility (year, brand, model, engine, and installation position)

234-4668 234-4256 Upstream Downstream Oxygen Sensor Compatible Models:

Replacement for Cadillac:

2009-2013 Cadillac Escalade 6.0L

2008-2014 Cadillac Escalade 6.2L

2008-2013 Cadillac Escalade EXT 6.2L 

2008-2014 Cadillac Escalade ESV 6.2L

Replacement for Chevy:

2008-2013 Chevy Avalanche 5.3L

2008-2009 Chevy Avalanche 6.0L

2008-2012 Chevy Silverado 1500 4.8L

2008-2012 Chevy Silverado 1500 5.3L

2008-2012 Chevy Silverado 1500 6.0L

2009-2012 Chevy Silverado 1500 6.2L

2008-2011 Chevy Silverado 2500 HD 6.0L

2008-2011 Chevy Silverado 3500 HD 6.0L

2008-2013 Chevy Suburban 1500 5.3L

2008-2009 Chevy Suburban 1500 6.0L

2008-2011, 2013 Chevy Suburban 2500 6.0L

2008-2009 Chevy Tahoe 4.8L

2008-2013 Chevy Tahoe 5.3L

2008-2012 Chevy Tahoe 6.0L

2008-2009 Chevy Tahoe 6.2L

Replacement for GMC:

2008-2012 GMC Sierra 1500 4.8L

2008-2012 GMC Sierra 1500 5.3L

2008-2012 GMC Sierra 1500 6.0L

2008-2012 GMC Sierra 1500 6.2L

2008-2011 GMC Sierra 2500 HD 6.0L

2008-2011 GMC Sierra 3500 HD 6.0L

2008-2009 GMC Yukon 4.8L

2008-2014 GMC Yukon 5.3L

2008-2013 GMC Yukon 6.0L

2008-2014 GMC Yukon 6.2L

2008-2014 GMC Yukon XL 1500 5.3L

2008-2009 GMC Yukon XL 1500 6.0L

2008-2014 GMC Yukon XL 1500 6.2L

2008-2011 GMC Yukon XL 2500 6.0L