The Samsung DD31-00016B Motor is the correct replacement for the following model numbers.
DW70F83YEURAA
DW70F81YEUEAA
DW70F81YEURAA
DW90F89P0USRAA
DW90F89T0U12AA
DW90F89T0USRAA
DW90F89T0UMTAA
DW80CG5420MTAA
DW80CB5450APAA
DW80CG5020SRAA
DW80CG5420SRAA
DW80CG5451MTAA
DW80CG5451SRAA
DW80CG5450MTAA
DW80CG5450SRAA
DW80CB545012AA
DDW24G9000APDA