4317933 Whirlpool Dishwasher Dishwasher Lower Rack Roller 4 Pack Whirlpool OEM Part: 4317933 All Our Parts Are Factory Approved For A Proper Fit Brand New in Original Retail Packaging 4317933 Roller Kit (4 Pak) Lower Part Number 4317933 replaces 2959, 303991, 3368577, 3368747, 675549, 717509, 8222, AH358588, EA358588, PS358588.