Kit,Fre Door Sweat 48D-O SVCE (BI-48SD/O)
BI-48SD/O    Use Prior to Serial #4300000
             Starting With #4300000 See 7040561
ICBBI-48SD/O Use Prior to Serial #4200000
             Starting With #4200000 See 7040877
BI-48SID/O   See 7030533