The 2019-Up AAM 10-1/2" Front Axle used in Ram 4500 and Ram 5500 4x4s can easily be identified by the following: 13 Bolt Cover 3 Link Suspension (2 Long Radius Arms behind the axle and 1 frame to axle tracking bar in front of and parallel to the axle. Electric Axle Shaft Disconnect Actuator on right axle tube.