This replacement window regulator is precision-engineered and extensively tested to match the exact fit, function and performance of the stock window regulator on specific vehicle years, makes and models. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford F-100: 1975, 1976, 1977, 1978, 1979] - [Ford F-150: 1975, 1976, 1977, 1978, 1979] - [Ford F-250: 1975, 1976, 1977, 1978, 1979] - [Ford F-350: 1975, 1976, 1977, 1978, 1979] - [Ford F-500: 1975, 1976, 1977]