Water filter
Replaces UKF8001
Makers suggest a new water filter about every six months.
Defrost heater
Melts frost off the cooling coils. Frost buildup and a warm fridge point here.
Temperature sensor kit
Senses temperature so the fridge cycles on and off.
Assembly
Replaces W10469286
No ice, or ice that won't drop, points to the ice maker.
Run capacitor
Replaces 2264017
A motor that hums but won't start often needs a new capacitor.
Evaporator fan blade
A stopped fan means warm sections and frost on the coils.
1Water filterEDR4RXD1
2Defrost heaterWP12729128
3Sensor kitW10316760
4AssemblyW10884390Part numbers come from the Sears PartsDirect parts list for the KitchenAid KBFS22EWMS5 (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.