This is a brand new Dana 60 right front axle assembly that fits most 2005-2015 Ford Super Duty F250 and F350 trucks. This axle is 35 spline on both ends. Overall length is 45.96". The outer stub axle is part number 53217. The inner axle is 84911-1 (not available seperatley). If you are unsure of your application you can email with your differential tag number and we will gladly assist you. Shipping is a flat $30.00 in the continental U.S.