This 4WD hub locking actuator vacuum hose is designed to match the fit and function of an original hose on specified vehicles to help ensure proper engagement and disengagement of a front wheel hub on a 4WD system. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford F-250 Super Duty: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024] - [Ford F-350 Super Duty: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024] - [Ford F-450 Super Duty: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024] - [Ford F-550 Super Duty: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024] - [Ford F-600 Super Duty: 2020, 2021, 2022, 2023, 2024]