Professional installation is recommended 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 Replaces OE Number: K620888, K620889, K80669, K80670.