This direct replacement drum brake wheel cylinder was specifically engineered to match the fit, function and performance of the original wheel cylinder on particular vehicles. It is manufactured and tested for quality assurance. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet B60: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989] - [Chevrolet C30 Pickup: 1971, 1972] - [Chevrolet C40: 1971, 1972] - [Chevrolet C50: 1987] - [Chevrolet C60: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987] - [Chevrolet P30 Van: 1971, 1972, 1973, 1974] - [Chevrolet P30: 1975, 1976] - [Chevrolet P40: 1984, 1985, 1986, 1987] - [Chevrolet S60: 1973, 1974, 1975, 1976, 1977, 1978] - [GMC B6000: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989] - [GMC C35/C3500 Pickup: 1971, 1972] - [GMC C40: 1971, 1972] - [GMC C5000: 1983, 1984, 1985, 1986, 1987] - [GMC C6000: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987] - [GMC P35/P3500 Van: 1971, 1972, 1973, 1974] - [GMC P35: 1975, 1976] - [GMC P4500: 1984, 1985, 1986, 1987]