This armrest kit is used on select Zoom & ZT models
If Using on the following models you will need to purchase Seat kit #51521700 prior to installation
915147, 915157, 915168, 915169, 915189, 915190, 915193, 915194, 915211 and 915322
Armrest Kit will fit these models:
915146, 915148, 915150, 915157, 915159, 915161, 915168, 915169, 915178, 915180, 915182, 915189, 915190, 915192, 915193, 915194, 915211, 915213, 915322, 915323