This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Buick Regal: 1983, 1984, 1985, 1986, 1987] - [Buick Riviera: 1983, 1984, 1985] - [Chevrolet El Camino: 1983, 1984, 1985, 1986, 1987] - [Chevrolet Malibu: 1983] - [Chevrolet Monte Carlo: 1983, 1984, 1985, 1986, 1987, 1988] - [GMC Caballero: 1983, 1984, 1985, 1986, 1987] - [Oldsmobile Cutlass Calais: 1983, 1984] - [Oldsmobile Cutlass Cruiser: 1983] - [Oldsmobile Cutlass Supreme: 1983, 1984, 1985, 1986, 1987, 1988] - [Oldsmobile Cutlass: 1985, 1986, 1987] - [Pontiac Bonneville: 1983, 1984, 1985, 1986] - [Pontiac Grand Prix: 1983, 1984, 1985, 1986, 1987]