Item 70022226 has must read information.
: Per the vendor this differential case is no longer available. If your axle is prior to s/n 2022732 please order the following parts for proper service replacement: Differential Case - JLG p/n 70023910 (qty. 1) Slotted Pin - JLG p/n 70023904 (qty. 2) Once this upgrade has been made parts can then be ordered on an as needed basis.