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.
Evaporator fan and temperature sensor assembly
Replaces W10799016
Senses temperature so the fridge cycles on and off.
Assembly, icemaker
Replaces W11457039
No ice, or ice that won't drop, points to the ice maker.
Fan
Replaces W10833801
A stopped fan means warm sections and frost on the coils.
1Water filterEDR2RXD1
2Air filterW10311524
3Defrost heaterWP12729128
4Sensor assemblyW11087438Part numbers come from the Sears PartsDirect parts list for the KitchenAid KRMF706EBS04 (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.