2007 - 2008 - 2009 - 2010 Chevy & GMC Radio Avalanche, Express, Savanna, Hummer H2, Sierra, Silverado, Suburban, Tahoe & Yukon. AM FM 6 Disc CD Player Radio with mp3 Auxiliary Input for use with iPod, iPhone, mp3 Players, Satellite Radio & More! Part Number: 25799568 (Interchangeable with Many Other Numbers). Option Code: US9- Code Clear for Plug & Play functionality! This unit is a Chevrolet truck and van factory OEM AM FM 6 Disc CD Player Radio with mp3 Aux Input that has been unlocked and cleared for Plug & Play use! You will not lose any functionality and the radio will have all factory OEM features! This radio has been unlocked, cleaned, serviced as needed, and thoroughly double-checked. *** Although this radio will be unlocked upon installation, please note that if you have Bose or any other specialty sound system, you may have to visit a dealer to get this radio configured properly for your vehicle. *** No codes required, it will plug and play! This model came with different part numbers that are completely interchangeable, there for you may receive a different part number. The radio you receive will be professionally remanufactured as described. Please contact seller with fitment or function questions.