Water filter
Makers suggest a new water filter about every six months.
As
Replaces W11088559
No ice, or ice that won't drop, points to the ice maker.
Electronic control board housing
A dead display or random faults can come from the control board.
Evaporator fan blade
A stopped fan means warm sections and frost on the coils.
Evaporator fan motor
A stopped fan means warm sections and frost on the coils.
Light switch
Replaces 1118894
Door, lid and control switches stop a cycle when they fail.
1Water filterEDR1RXD1
2AsW11284458
3Board housing2323186
4Fan bladeWP2169142Part numbers come from the Sears PartsDirect parts list for the Whirlpool WRS331SDHM03 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Where the model number is
Inside the fresh food section, on a side wall or the ceiling near the light. Some models: behind the kick plate at the bottom.