Cadillac Seville & DeVille 2002 2003 2004 2005 AM FM CD Cassette Car Radio - Delco Part 09384356 2002 - 2005 Cadillac Seville & DeVille AM FM CD Casette Radio Delco Part Number 09384356 Replaces same part number only! Will not work if you do not have same exact part number in your vehicle, even if they look the same. This radio will require unlocking by a GM dealer. Any GM dealer can perform this service. Call around for best pricing.