Water filter
Makers suggest a new water filter about every six months.
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.
Auger motor coupler
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Evaporator fan motor
A stopped fan means warm sections and frost on the coils.
Fan blade
Replaces 2225834
A stopped fan means warm sections and frost on the coils.
1Water filterEDR1RXD1
2Board housing2323186
3Fan bladeWP2169142
4Motor couplerWPW10169511Part numbers come from the Sears PartsDirect parts list for the Whirlpool WRS331SDHM08 (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.