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 LeSabre: 1991, 1992, 1993, 1994, 1995] - [Buick Park Avenue: 1991, 1992, 1993, 1994, 1995] - [Buick Riviera: 1995, 1996, 1997, 1998, 1999] - [Cadillac DeVille: 1991, 1992, 1993] - [Cadillac Fleetwood: 1991, 1992] - [Oldsmobile 88: 1992, 1993, 1994, 1995] - [Oldsmobile 98: 1991, 1992, 1993, 1994, 1995] - [Oldsmobile Aurora: 1995, 1996, 1997, 1998, 1999] - [Oldsmobile Custom Cruiser: 1991, 1992] - [Oldsmobile Delta 88: 1991] - [Pontiac Bonneville: 1991, 1992, 1993, 1994, 1995]