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. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Buick Electra: 1988, 1989, 1990] - [Buick LeSabre: 1988, 1989, 1990, 1991] - [Buick Reatta: 1988, 1989, 1990] - [Buick Riviera: 1988, 1989, 1990] - [Oldsmobile 98: 1988, 1989, 1990] - [Oldsmobile Delta 88: 1988, 1989, 1990, 1991] - [Oldsmobile Toronado: 1988, 1989, 1990] - [Pontiac Bonneville: 1988, 1989, 1990, 1991]
