This is a genuine AAM left front axle assembly for the 9.25 front differential found in 2014+  Dodge Ram 2500 and 3500 series 4X4 trucks. The AAM part number is 40104193. This is for the axle with the disconnect on the right side and the 12 bolt cover. The new part number for this axle is 40183413K. Shipping is a flat $30.00 in the continental U.S.