This fuel pressure regulator is engineered to match the function of the original equipment regulator on specified vehicles. It is engineered to help ensure proper fuel injection pressure when the original regulator has failed or is malfunctioning. 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: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018] - [Ford F-250: 2015] - [Ford F-350 Super Duty: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018] - [Ford F-450 Super Duty: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018] - [Ford F-550 Super Duty: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018]