2007-14 Chevrolet GMC Single OEM Original Radio Stereo Audio Amplifier 20811235

-- 2007 - 2008 - 2009 - 2010 - 2011 - 2012 - 2013 - 2014 -- Chevrolet, GMC Avalanche 1500, Silverado 1500 2500 3500, Sierra 1500 2500 3500, Denali, Denali 1500 2500 3500 Radio Amplifier Part Number: 20811235 Interchange Part Number: 638-00634 This is for a 2007-2013 Chevrolet Avalanche 1500, 2007-2013 GMC Sierra 1500, 2007-2014 GMC Sierra 2500, 2007-2014 GMC Sierra 3500, 2010 GMC Denali, 2011, 2013 GMC Denali 1500, 2011-2014 GMC Denali 2500, 2011-2014 GMC Denali 3500, 2007-2013 Chevrolet Silverado 1500, 2007-2014 Chevrolet Silverado 2500, 2007-2014 Chevrolet Silverado 3500 amplifier. This amplifier has been cleaned, serviced as needed, and thoroughly checked. Appearance is great. Function is perfect! This amplifier is being sold as a REPLACEMENT ONLY! The part number is 20811235 If you do not have this exact part number or compatible part number currently in your vehicle, it will likely NOT WORK. If you are unsure of your part number, give a dealer a call with your VIN and they should be able to provide you with the correct part number. They may look the same and have the same plugs but data streams may be different, not allowing them to code. For example, external amps are used in some cars and will not allow interchange, etc. As you can see from our feedback we package carefully and ship promptly via UPS Insured. Please verify that this is the radio you require before purchase. The radio you receive will be as pictured and described. Please let us know before purchase if you would like a specific part number so we can check availability. The radio you receive will be professionally remanufactured as described. Please contact us with any questions or concerns.