2003 - 2004 - 2005 Chevrolet Impala & Monte Carlo AM FM Cassette Player Radio. Part Number: 10335222. Compatible Part Number: 10317988, 10318432, 10324039 & 104497119. Option Code: UL0. *Please Note: This radio will need to be unlocked upon installation in your vehicle. It can be put into a fully functioning test mode for 10 minutes at a time but will need to be taken to a dealer for permanent pairing. This process varies greatly from dealer to dealer, verify cost with your local dealer before purchase. Please make plans before purchase. If you have any questions, feel free to give us a call. * This is for a 2003-2005 Chevrolet Impala and Monte Carlo factory OEM AM FM Cassette Player Radio that has been professionally remanufactured. This radio has been cleaned, serviced as needed and thoroughly checked. Part number is 10335222 with option code UL0 so please make sure this is the correct radio for your vehicle. This radio will need unlocked by a GM dealer upon installation. We stand proudly behind our products so this radio is covered by a 90 Day Replace or Refund Warranty.