APPLICATION- Oxygen Sensor Upstream Downstream Replacement for Chevy Silverado 1500 2500 HD Tahoe Suburban 1500 2500 Escalade Avalanche , for GMC Yukon XL 1500 Sierra 1500 2500 HD 3500 HD REPLACEMENT PART NO.- Oxygen Sensor Replace 234-4668 , 213-4229 , 234-4256 , 234-4407 , 213-3866 , 12569429 , 12573005 , 12573167 , 12576131 , 12583290 , 12583804 , 12584925 , 12587785 , 12590790 , 12594452 , 12596558 , 12597878 , 12607410 , 12609001 , 12611127 , 8125731670 , 12609457 , 12611165 , 92457789. Before purchasing an oxygen sensor , please carefully check your vehicle's year , brand and model , image , and part number to confirm compatibility HIGH STABILITY- BLPextrm Oxygen Sensor has stainless steel shell,aluminum oxide capture layer and pre coated thread. Solve the problems of unstable idle speed,frequent stalling and poor acceleration for your car OXYGEN SENSOR WORKING PRINCIPLE - Oxygen sensor trap layer does not allow the platinum electrode to be damaged.Measure the oxygen content after combustion, convert it into a voltage signal and send it to the engine computer to achieve closed-loop control of excess coefficient 24-HOUR RESPONSE - Packag include 4 upstream downstream oxygen sensors. If you have any installation issues, please contact us via email. We will reply to you within 24 hours

FITMENT:

Compatible with Chevy:

Compatible with 2008-2012 Chevy Avalanche 5.3L

Compatible with 2008-2009 Chevy Avalanche 6.0L

Compatible with 2008-2013 Chevy Silverado 1500 4.8L

Compatible with 2008-2013 Chevy Silverado 1500 5.3L

Compatible with 2008-2013 Chevy Silverado 1500 6.0L

Compatible with 2009-2012 Chevy Silverado 1500 6.2L

Compatible with 2008-2011 Chevy Silverado 2500 / 3500 HD 6.0L

Compatible with 2008-2014 Chevy Suburban 1500 5.3L

Compatible with 2008-2009 Chevy Suburban 1500 6.0L

Compatible with 2008-2011 Chevy Suburban 2500 6.0L

Compatible with 2008-2009 Chevy Tahoe 4.8L

Compatible with 2008-2012 Chevy Tahoe 5.3L

Compatible with 2008-2012 Chevy Tahoe 6.0L

Compatible with 2008-2009 Chevy Tahoe 6.2L

Compatible with GMC:

Compatible with 2008-2012 GMC Sierra 1500 4.8L

Compatible with 2008-2012 GMC Sierra 1500 5.3L

Compatible with 2008-2012 GMC Sierra 1500 6.0L

Compatible with 2008-2012 GMC Sierra 1500 6.2L

Compatible with 2008-2011 GMC Sierra 2500 / 3500 HD 6.0L

Compatible with 2008-2009 GMC Yukon 4.8L

Compatible with 2008-2012 GMC Yukon 5.3L

Compatible with 2008-2012 GMC Yukon 6.0L

Compatible with 2008-2012 GMC Yukon 6.2L

Compatible with 2008-2012 GMC Yukon XL 1500 5.3L

Compatible with 2008-2009 GMC Yukon XL 1500 6.0L

Compatible with 2008-2012 GMC Yukon XL 1500 6.2L

Compatible with 2008-2011 GMC Yukon XL 2500 6.0L

Compatible with Compatible with Cadillac:

Compatible with 2009-2012 Cadillac Escalade 6.0L

Compatible with 2008-2014 Cadillac Escalade 6.2L

Performance:

Oxygen sensors use precision sensing elements to produce accurate output proportional to the ensuring long-term stable performance and helping the engine to monitor and run stably and efficiently.