【Product Features】The package contains 2 identical oxygen sensors. 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 Chevrolet: 2007 Avalanche 5.3L/6.0L, 2006 Avalanche 1500 5.3L, 2009-2012 Colorado 5.3L, 2007-2013 Silverado 1500 4.3L, 2006 Silverado 1500 4.8L/5.3L, 2007 Silverado 1500 Classic 4.3L/4.8L/5.3L, 2006-2007 Suburban 1500 5.3L, 2007 Suburban 1500 6.0L, 2007 Suburban 2500 6.0L, 2006-2007 Tahoe 4.8L/5.3L ; Compatible with Buick: 2008-2009 Allure 5.3L, 2008-2009 Lacrosse 5.3L; Compatible with Hummer: 2007 H2 6.0L, 2008-2009 H2 6.2L, 2008-2010 H3 5.3L, 2009-2010 H3T 5.3L 【Compatible Car Model】Compatible with GMC: 2007-2013 Sierra 1500 4.3L, 2006 Sierra 1500 4.8L/5.3L, 2007 Sierra 1500 Classic 4.3L/4.8L/5.3L, 2006-2007 Yukon 4.8L/5.3L, 2007 Yukon 6.2L, 2006-2007 Yukon XL 1500 5.3L, 2007 Yukon XL 1500 6.0L/6.2L, 2007 Yukon XL 2500 6.0L, 2009-2012 Canyon 5.3L ; Compatible with Cadillac: 2006-2007 CTS 6.0L, 2007 Escalade 6.2L, 2007 Escalade ESV 6.2L, 2007 Escalade EXT 6.2L 【Replaces Part Number】234-4337, 12589321, 12597989, 13444，12589321, 12597989, 15137, 15150, 213-3533, 213-3544, 21559, 250-24703, 350-34483, ES20352, SG1827,15150, 15150, ES20352, 213-3533, 213-3544, 21559, 12589321, 12597989, 250-24703, 350-34483, SG1827 【Product Service】We provide an 18-month unlimited mileage guarantee. If you need assistance verifying product compatibility or are unsatisfied with your purchase, please contact us directly through Amazon.

Compatible with Hummer：

2007 Hummer H2 V8 6.0L Upstream(Front) Required Qty: 2

2008-2009 Hummer H2 V8 6.2L Upstream(Front) Required Qty: 2

2008-2010 Hummer H3 V8 5.3L Upstream(Front) Required Qty: 2

2009-2010 Hummer H3T V8 5.3L Upstream(Front) Required Qty: 2

Compatible with Buick:

2008-2009 Buick Allure V8 5.3L Upstream(Front);Downstream(Rear)

2008-2009 Buick Lacrosse V8 5.3L Upstream(front);Downstream (Rear) 

Compatible with Cadillac:

2006-2011 Cadillac DTS V8 4.6L Downstream (Rear)，Required Qty: 1

2006-2007 Cadillac CTS V8 6.0L Upstream(Front) Required Qty: 2

2007 Cadillac Escalade V8 6.2L Upstream(Front) Required Qty: 2

2007 Cadillac Escalade ESV V8 6.2L Upstream(Front) Required Qty: 2

2007 Cadillac Escalade EXT V8 6.2L Upstream(Front) Required Qty: 2

Compatible with Chevrolet:

2007 Chevrolet Avalanche V8 5.3L Upstream (Front) Required Qty: 2

2007 Chevrolet Avalanche V8 6.0L Upstream (Front)Required Qty: 2

2006 Chevrolet Avalanche 1500 V8 5.3L Upstream(Front) Required Qty: 2

2009-2012 Chevrolet Colorado V8 5.3L Upstream(Front) Required Qty: 2

2007-2013 Chevrolet Silverado 1500 V6 4.3L Upstream(Front) Required Qty: 2

2006 Chevrolet Silverado 1500 V8 4.8L Upstream(Front) Required Qty: 2

2006 Chevrolet Silverado 1500 V8 5.3L Upstream(Front) Required Qty: 2

2007 Chevrolet Silverado 1500 Classic V6 4.3L Upstream(Front) Required Qty: 2

2007 Chevrolet Silverado 1500 Classic V8 4.8L Upstream(Front) Required Qty: 2

2007 Chevrolet Silverado 1500 Classic V8 5.3L Upstream(Front) Required Qty: 2

2006-2007 Chevrolet Suburban 1500 V8 5.3L Upstream(Front) Required Qty: 2

2007 Chevrolet Suburban 1500 V8 6.0L Upstream(Front) Required Qty: 2

2007 Chevrolet Suburban 2500 V8 6.0L Upstream(Front) Required Qty: 2

2006-2007 Chevrolet Tahoe V8 4.8L Required Qty: 2

2006-2007 Chevrolet Tahoe V8 5.3L Required Qty: 2

Compatible with GMC:

2007-2013 GMC Sierra 1500 V6 4.3L Upstream (Front)

2006 GMC Sierra 1500 V8 4.8L Upstream (Front)

2006 GMC Sierra 1500 V8 5.3L Upstream (Front)

2007 GMC Sierra 1500 Classic V6 4.3L Upstream (Front)

2007 GMC Sierra 1500 Classic V8 4.8L Upstream (Front)

2007 GMC Sierra 1500 Classic V8 5.3L Upstream (Front)

2006-2007 GMC Yukon V8 4.8L Upstream (Front) Required Qty: 2

2006-2007 GMC Yukon V8 5.3L Upstream (Front) Required Qty: 2

2007 GMC Yukon V8 6.2L Upstream (Front) Required Qty: 2

2006-2007 GMC Yukon XL 1500 V8 5.3L Upstream (Front) Required Qty: 2

2007 GMC Yukon XL 1500 V8 6.0L Upstream (Front) Required Qty: 2

2007 GMC Yukon XL 1500 V8 6.2L Upstream (Front) Required Qty: 2

2007 GMC Yukon XL 2500 V8 6.0L Upstream (Front) Required Qty: 2

2009-2012 GMC Canyon V8 5.3L Upstream (Front)  Required Qty: 2