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. [Chevrolet C30: 1981, 1982, 1983, 1984, 1985, 1986] - [Chevrolet K30: 1983, 1984, 1985, 1986] - [Chevrolet P30: 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [Chevrolet R30: 1987, 1988] - [Chevrolet R3500: 1989, 1990, 1991] - [Chevrolet V30: 1987, 1988] - [Chevrolet V3500: 1989, 1990, 1991] - [GMC C2500: 1983, 1984, 1985, 1986] - [GMC C3500: 1981, 1982, 1983, 1984, 1985, 1986] - [GMC K3500: 1983, 1984, 1985, 1986] - [GMC P3500: 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996] - [GMC R3500: 1987, 1988, 1989, 1990, 1991] - [GMC V3500: 1987, 1988, 1989, 1990, 1991]