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 Pickup: 1975, 1976, 1977, 1978] - [Chevrolet C30: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983] - [Chevrolet G30 Van: 1974] - [Chevrolet G30: 1975, 1976, 1977, 1978] - [Chevrolet K30 Pickup: 1977, 1978] - [Chevrolet K30: 1977, 1978, 1979, 1980, 1981, 1982, 1983] - [Chevrolet P30 Van: 1974] - [Chevrolet P30: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983] - [GMC C2500: 1983] - [GMC C35/C3500 Pickup: 1974] - [GMC C35: 1975, 1976, 1977, 1978] - [GMC C3500: 1981, 1982, 1983] - [GMC G35/G3500 Van: 1974] - [GMC G35: 1975, 1976, 1977, 1978] - [GMC K35: 1977, 1978] - [GMC K3500: 1979, 1980, 1981, 1982, 1983] - [GMC P35/P3500 Van: 1974] - [GMC P35: 1975, 1976, 1977, 1978] - [GMC P3500: 1979, 1980, 1981, 1982, 1983]