No idea on fitment but did find this...
"According to
Dieselhub.com there were two types of ZF5s produced: the
ZF S5-42 for the 6.9/7.3 IDIs and the
ZF S5-47 for the 7.3 Powerstrokes up to '97. Max input
torque rating on a ZF S5-42 was 420 ft-lbs. of Torque whereas the ZF S5-47 could handle 470 ft-lbs. of Torque."