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 C10 Suburban: 1977, 1978, 1979, 1980] - [Chevrolet C20 Pickup: 1977, 1978] - [Chevrolet C20 Suburban: 1977, 1978, 1979, 1980] - [Chevrolet C20: 1977, 1978, 1979, 1980] - [Chevrolet C30 Pickup: 1977, 1978] - [Chevrolet C30: 1977, 1978, 1979] - [Chevrolet G30: 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984] - [Chevrolet K10 Suburban: 1977, 1978, 1979, 1980] - [Chevrolet K20 Pickup: 1977, 1978] - [Chevrolet K20 Suburban: 1977, 1978, 1979, 1980] - [Chevrolet K20: 1977, 1978, 1979, 1980] - [Chevrolet P20: 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989] - [Chevrolet P30: 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992] - [GMC C15 Suburban: 1977, 1978] - [GMC C1500 Suburban: 1979, 1980] - [GMC C25 Suburban: 1977, 1978] - [GMC C25: 1977, 1978] - [GMC C2500 Suburban: 1979, 1980] - [GMC C2500: 1979] - [GMC G35: 1977, 1978] - [GMC G3500: 1979, 1980, 1981, 1982, 1983, 1984] - [GMC K15 Suburban: 1977, 1978] - [GMC K1500 Suburban: 1979, 1980] - [GMC K25 Suburban: 1977, 1978] - [GMC K25: 1977, 1978] - [GMC K2500 Suburban: 1979, 1980] - [GMC K2500: 1979, 1980] - [GMC P25: 1977, 1978] - [GMC P2500: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989] - [GMC P35: 1977, 1978] - [GMC P3500: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992]