4171221 Whirlpool Dishwasher Cap Whirlpool OEM Part: 4171221 All Our Parts Are Factory Approved For A Proper Fit Brand New in Original Retail Packaging 4171221 Cap Part Number 4171221 replaces 241163, 2983, 4162490, 4162536, 4172107, 51158, AH356193, EA356193, PS356193.