Replacement key fob case only, not a remote key. Does not include internal components such as battery, electronics, or transponder chips. Requires transfer of internal components from original remote. No programming required. Fitment: Compatible with the following vehicle models: 1996–2005 Buick LeSabre 3.8L, 1996–2005 Buick Park Avenue 3.8L, 1996–1999 Buick Riviera 3.8L, 2001–2005 Cadillac DeVille 4.6L, 1998–2002 Cadillac Eldorado 4.6L, 1998–2004 Cadillac Seville 4.6L, 2000–2005 Chevrolet Astro 4.3L, 2002 Chevrolet Blazer 4.2L, 1998–2005 Chevrolet Blazer 4.3L, 2001–2004 Chevrolet Corvette 5.7L, 2003–2007 Chevrolet Express 1500 4.3L. Replacement shell case designed to fit the above vehicles. Easy installation by transferring existing internal components. Part Numbers: KOBLEAR1XT, 10443537, 25695954, 25695955, 15184352. Quality inspected to ensure proper fit and functionality. Intended to replace damaged or worn key fob housings.