Direct Replacement: Alternate ST-148, directly replace part numbers 303-1513 Fitment: Fit for Ford Super Duty F-250, F-350, F-450, and F-550 equipped with 6.7L Power Stroke Diesel model years 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019. Fit for Ford Super Duty F-650 and F-750 equipped with 6.7L Power Stroke Diesel model years 2016, 2017, 2018, 2019. Great Function: Used to remove the rear crankshaft seal without any damage, save your effort Package: 1* Rear Crankshaft Seal Remover