Designed as a direct replacement for your lost or broken knob (reference numbers: 22912547 or for 22912547)<br> Please note this is for the rear audio controls on the back of the center console; this is not the larger knob for the radio in the dash<br> Black textured grip, chrome ring on knob face to match the stock look and restore the look of your vehicles interior<br> Easy installation; new knob just slides into place within seconds just make sure there is left from the previous knob<br> Designed specifically to fit: 2007 - 2013 for 1500 / 2007 - 2014 for 2500 / 2007 - 2011 for 1500 / 2007 - 2011 for 2500 HD / 2007 - 2011 for 3500 HD / 2007 - 2009 for / 2009 - 2013 for / 2007 - 2013 for 1500 / 2007 - 2014 for 2500 HD / 2007 - 2014 for 3500 HD / 2007 - 2014 for / 2007 - 2014 for XL / 2007 - 2011 for Escalade / 2009 - 2013 for Enclave / 2009 - 2013 for Acadia. (Excludes 07 Classic Body /Sierras)<br> Color: black + silver<br> material: plastic<br> Reference Number: 22912547.<br> Replacement Rear Audio Control Knob.<br> Size:. 15 x 25mm<br> Package Contents:<br> 4 x knob<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.