This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Buick LeSabre: 1982] - [Buick Regal: 1982, 1983, 1984, 1985] - [Checker Marathon: 1980] - [Chevrolet Camaro: 1982, 1983, 1984, 1985, 1986, 1987] - [Chevrolet Caprice: 1980, 1982, 1985, 1986, 1987, 1988, 1989, 1990] - [Chevrolet Corvette: 1982] - [Chevrolet El Camino: 1980, 1982, 1983, 1984, 1985, 1986, 1987] - [Chevrolet Impala: 1980, 1982, 1983, 1984, 1985] - [Chevrolet Malibu: 1980, 1982, 1983] - [Chevrolet Monte Carlo: 1982, 1983, 1984, 1985, 1986, 1987, 1988] - [GMC Caballero: 1980, 1982, 1983, 1984, 1985, 1986] - [Oldsmobile Cutlass Calais: 1982, 1984] - [Oldsmobile Cutlass Cruiser: 1982] - [Oldsmobile Cutlass Supreme: 1983, 1985, 1986, 1987] - [Oldsmobile Cutlass: 1987] - [Oldsmobile Delta 88: 1982] - [Pontiac Bonneville: 1983, 1984, 1985] - [Pontiac Firebird: 1982, 1983, 1984, 1985, 1986, 1987] - [Pontiac Grand LeMans: 1980] - [Pontiac Grand Prix: 1982, 1983, 1984, 1985, 1986, 1987] - [Pontiac LeMans: 1980] - [Pontiac Parisienne: 1982, 1983, 1984, 1985, 1986]