This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations. 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: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019] - [Ford F-250: 2015] - [Ford F-350 Super Duty: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019] - [Ford F-450 Super Duty: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019] - [Ford F-550 Super Duty: 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019] - [Ford F-650: 2016, 2017, 2018, 2019] - [Ford F-750: 2016, 2017, 2018, 2019]