This PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Buick Century: 1983, 1984, 1985, 1986] - [Buick Skylark: 1983, 1984, 1985, 1986] - [Buick Somerset Regal: 1985] - [Buick Somerset: 1986] - [Cadillac Allante: 1987] - [Cadillac Commercial Chassis: 1986, 1987] - [Cadillac DeVille: 1986, 1987] - [Cadillac Eldorado: 1986, 1987] - [Cadillac Fleetwood: 1986, 1987] - [Cadillac Seville: 1986, 1987] - [Chevrolet Celebrity: 1983, 1984, 1985] - [Chevrolet Citation II: 1984, 1985] - [Chevrolet Citation: 1983] - [Oldsmobile Calais: 1985, 1986] - [Oldsmobile Cutlass Ciera: 1983, 1984, 1985, 1986] - [Oldsmobile Omega: 1983, 1984] - [Pontiac 6000: 1983, 1984, 1985, 1986] - [Pontiac Fiero: 1984, 1985, 1986] - [Pontiac Firebird: 1983, 1984, 1985, 1986] - [Pontiac Grand Am: 1985, 1986] - [Pontiac Phoenix: 1983, 1984]