Water filter
Makers suggest a new water filter about every six months.
Filter plate
Replaces 12704801
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.
Thermistor
Replaces 12791419SP
Senses temperature so the fridge cycles on and off.
Water filter
Replaces W10735404
Makers suggest a new water filter about every six months.
Assembly
Replaces W10469286
No ice, or ice that won't drop, points to the ice maker.
Evaporator fan blade
A stopped fan means warm sections and frost on the coils.
1Water filterF2WC9I1
2Filter plateWP67001668
3Defrost heaterWP12729128
4ThermistorW10316760Part numbers come from the Sears PartsDirect parts list for the KitchenAid KRFF302EWH01 (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.