The Samsung DD82-01588A Dishwasher Valve/Float Assembly is the correct replacement for the following model numbers.
DW80N3030UB/AA
DW80CG4051SRAA
DW80R2031UG/AA
DW80R2031UB/AA
DW80CG4021SRAA
DW80R2031UW/AA
DW80N3030US/AA
DW80R2031US/AA
DW80R2031US/AC
DW80N3030UW/AA
DW80M2020US/AA