Whirlpool Microwave Grease Filter Whirlpool OEM Part: 4358853 All Our Parts Are Factory Approved For A Proper Fit Brand New in Original Retail Packaging 4358853 Grease Filter Part Number 4358853 replaces 53001357, 14210135, 258, 4358828, 57001104, AH364628, EA364628, PS364628.