This replacement knob is designed to be a direct substitute for your missing or damaged audio control knob (reference numbers: 22912547). Please note that this item is specifically for the rear audio controls located at the back of the center console and is not intended for the larger radio knob located in the dashboard. Featuring a black textured grip and a chrome ring on the face, it complements the original aesthetic and revitalizes your vehicle's interior. Installation is simple; the new knob slides into place within seconds, provided there are remnants of the previous knob. Designed to fit various models including: 2007 - 2013 for 1500, 2007 - 2014 for 2500, 2007 - 2011 for 1500 HD, 2007 - 2011 for 2500 HD, 2007 - 2011 for 3500 HD, 2007 - 2009 for models, 2009 - 2013 for models, 2007 - 2014 for 2500 HD, 2007 - 2014 for 3500 HD, 2007 - 2014 for models, 2007 - 2014 for XL, 2007 - 2011 for specific models, 2009 - 2013 for Enclave, 2009 - 2013 for Acadia. (Note: Does not include 07 Classic Body/Sierra models) Color: black and silver Material: plastic Reference Number: 22912547 Replacement Rear Audio Control Knob Size: 15 x 25mm Package Contents: 4 x knob Only the above package content is included, other products are not part of this offer. Note: Lighting and different displays may cause the color of the item in the picture to differ slightly from the actual item. The permitted measurement error is +/- 1-3cm.