Description A/C System O-Ring Seal Kit for 2001 – 2012 6.6L GM / Chevrolet Duramax Diesel Engines Features: Contain all O-Rings required for each specific vehicle application Compatible with R12, R134a, and R1234yf systems Designed to meet or exceed OE fit, form, and function Durability tested on every design Fitment Information: 1999-2011 Chevrolet Tahoe 1999-2011 GMC Yukon 2000-2011 GMC Yukon XL 1500 2000-2012 Chevrolet Silverado 1500 / 2500 2000-2012 GMC Sierra 1500 2001-2011 Chevrolet Suburban 2500 2001-2012 GMC Yukon XL 2500 2001-2012 GMC Sierra 2500 2002-2012 GMC Sierra 3500 2002-2011 Chevrolet Silverado 3500 2002-2014 Chevrolet Suburban 1500 2004-2008 Hummer H2 2005-2012 Chevrolet Corvette 2006-2012 GMC Savana 1500 2006-2014 GMC Savana 2500 / 3500 2007 Chevrolet Silverado Classic 2500 / 3500 2009-2010 Hummer H3 / H3T
