Fitment: CADILLAC ESCALADE 2007 - 2014 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models CADILLAC ESCALADE 2015 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models; Models with Police Package CADILLAC ESCALADE ESV 2007 - 2014 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models CADILLAC ESCALADE EXT 2007 - 2013 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models CHEVROLET AVALANCHE 2007 - 2013 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models CHEVROLET SILVERADO 1500 2007 - 2013 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models CHEVROLET SILVERADO 1500 2014 - 2015 Cast Iron Control Arm, Excludes Off-Road Models CHEVROLET SUBURBAN 1500 2007 - 2014 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models CHEVROLET TAHOE 2007 - 2016 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models GMC SIERRA 1500 2007 - 2013 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models GMC SIERRA 1500 2014 - 2015 Cast Iron Control Arm, Excludes Off-Road Models GMC YUKON 2007 - 2014 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models GMC YUKON XL 1500 2007 - 2014 Cast Iron Lower Control Arm Models Only, Excludes Off-Road Models Replacement OEM (Original Equipment Part) Number: K620888 K620889 K80669 K80670 Package Included: 1x Front Left Lower CAST IRON Control Arm Assembly w/Ball Joint - K620888 1x Front Right Lower CAST IRON Control Arm Assembly w/Ball Joint - K620889 1x Front Left Upper Control Arm & Ball Joint Assembly - K80669 1x Front Right Upper Control Arm & Ball Joint Assembly - K80670.