Google用Transfer case (分動箱) 找國外論壇其實有蠻多討論。 其中有條回覆如下 The part number 95B-341-010-X is the non reinforced transfer box. After that both parts numbers are the reinforced case (-A and -AX). Maybe there's two suppliers and that's why there's two different part numbers. 大意是料號 -A 或 -AX 的版本為新款的分動箱。 看看有沒有台灣熟悉保時捷的技術人員可以幫忙佐證了。