Comments: Per the vendor 7028080 is no longer available and does not have a direct replacement. These changes occured with JLG p/n 8004521 prior to axle s/n CITA711908, JLG p/n 4803372 prior to axle s/n CITA703949 and JLG p/n 4803383 prior to axle s/n CITA703951. All axles prior to the listd s/n's must be updated to the current style. For proper service replacement please order the following: JLG p/n 8007775 - Steering Case(RF, LR) (qty 1) JLG p/n 7029429 - Steering Case(LF, RR) (qty 1) JLG p/n 7028708 - Cylinder (qty 1) JLG p/n 8007804 - Articulated Tie Rod(RF, LR) (qty 1) JLG p/n 8007803 - Articulated Tie Rod(LF, RR) (qty 1)