Water filter
Makers suggest a new water filter about every six months.
Air filter
Replaces W10315189
Filters clog with use. The manual lists how often to change it.
Defrost heater
Melts frost off the cooling coils. Frost buildup and a warm fridge point here.
Water inlet valve assembly
Slow filling, no water or no ice can trace back to this valve.
Defrost timer control board
A dead display or random faults can come from the control board.
Evaporator fan
Replaces W10460280
A stopped fan means warm sections and frost on the coils.
Switch
Replaces C3680310V
Door, lid and control switches stop a cycle when they fail.
1Water filterEDR2RXD1
2Air filterW10311524
3Defrost heaterWP12729128
4Valve assemblyWPW10341329Part numbers come from the Sears PartsDirect parts list for the Whirlpool WRV996FDEE00 (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.