O2 Oxygen Sensor 4Pcs Upstream and Downstream Compatible with 2003-2006 Chevy Suburban Silverado 1500 2500 3500 HD,GMC Sierra Yukon XL,Cadillac Escalade,Hummer H2 6.0L V8 234-4669 234-4407 Item Description About this item Oxygen Sensor Fit For Chevy 6.0L V8;2007 Classic Silverado 1500/2500 HD/3500,2003 2004 Silverado 2500,2005-2007 Silverado 2500 HD,03-06 Silverado 3500,07 Silverado 3500 HD,03-06 Suburban 2500 ; Replacement for GMC 6.0L V8;07 Classic Sierra 2500 HD/3500,03 04 Sierra 2500,05 06 Sierra 2500 HD,03-06 Sierra 3500,07 Sierra 3500 HD,03-06 Yukon XL 1500/2500 ; Replacement for 03-06 Cadillac Escalade EXT,Hummer H2 6.0L V8;234-4669,234-4407. 100% Brand New In Factory Original Package Oxygen Sensor Assembly. Not Refurbished Or Re-Manufactured Parts. Meterials: Made Of High Quality Durable Material That Meets Oe Standard -- All The Parts We Use Are The Highest Standard In The Industry, Industry-Leading Performance And Durability. If You Have Any Questions About Our Oxygen Sensor Assembly, Please Message Us Before Your Purchasing. Meet Or Exceed Oem Specifications In Fit, Form And Function.1 year unlimited-mileage quality guarantee. ? See more product details Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.