Casting number is the number cast on the Diff Case “Spool” (section5.510). If your Case “Spool” has a number of 3652336 it should fit. The 54 used a different Case.

Right Click on the pictures and Open link in New Tab
Attachments
57PA30_0491(1).jpg (269.71 KB, 94 downloads)
5830_0600.jpg (140.04 KB, 97 downloads)

Last edited by jimgmc; 03/23/2022 4:13 AM.