Manufacturer Part Number: K6540&K6541 Warranty: 12 month Package Included: Front Upper Ball Joints x2 Front Lower Ball Joints x2 Grease Fittings x4 Cotter Pins x4 Nuts x4 Snap Rings x4 Fit for the following vehicle: For Cadillac Escalade 2002 - 2006 All Models For Cadillac Escalade 2007 - 2014 Models w/Steel Control Arms Only For Cadillac Escalade ESV 2003 - 2006 All Models For Cadillac Escalade ESV 2007 - 2014 Models w/Steel Control Arms Only For Cadillac Escalade EXT 2002 - 2006 All Models For Cadillac Escalade EXT 2007 - 2013 Models w/Steel Control Arms Only For Chevrolet Avalanche 2007 - 2013 Models w/Steel Control Arms Only For Chevrolet Avalanche 1500 2002 - 2006 All Models For Chevrolet Express 1500 2003 - 2014 All Models For Chevrolet Express 2500 2003 - 2005 7300lb Gross Vehicle Weight For Chevrolet Silverado 1500 1999 - 2003 4WD/AWD For Chevrolet Silverado 1500 2004 - 2006 RWD; Front Torsion Bar Suspension For Chevrolet Silverado 1500 2004 - 2006 4WD For Chevrolet Silverado 1500 2007 - 2016 Models w/Steel Control Arms Only For Chevrolet Suburban 1500 2000 - 2006 All Models For Chevrolet Suburban 1500 2007 Models w/Steel Control Arms Only For Chevrolet Suburban 1500 2008 All Models For Chevrolet Suburban 1500 2009-2013 Models w/Steel Control Arms Only For Chevrolet Tahoe 2000 4.8L & 5.3L V8 Engines For Chevrolet Tahoe 2001 - 2006 All Models For Chevrole Tahoe 2007 - 2015 Models w/Steel Control Arms Only For GMC Savana 1500 2003 - 2012 All Models For GMC Savana 2500 2003 - 2005 7300lb Gross Vehicle Weight For GMC Sierra 1500 1999 - 2006 4WD/AWD For GMC Sierra 1500 2004 - 2006 RWD; Front Torsion Bar Suspension For GMC Sierra 1500 2007 - 2016 Models w/Steel Control Arms Only For GMC Yukon 2000 4.8L & 5.3L V8 Engines For GMC Yukon 2001 - 2006 All Models For GMC Yukon 2007 - 2014 Models w/Steel Control Arms Only For GMC Yukon XL 1500 2000 - 2008 All Models For GMC Yukon XL 1500 2009 - 2014 Models w/Steel Control Arms Only