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. [Ford F-500: 1975, 1976, 1977] - [Ford F6000: 1973, 1974, 1975, 1976, 1977, 1978, 1979] - [Ford F700: 1973, 1974, 1975, 1976, 1977, 1978, 1979] - [Ford F7000: 1973, 1974, 1975, 1976, 1977, 1978, 1979] - [Ford F800: 1978, 1979] - [Ford F880: 1978]