Water filter
Replaces W10735404
Makers suggest a new water filter about every six months.
Thermistor
Replaces 12791405SP
Senses temperature so the fridge cycles on and off.
Door gasket, left
Replaces W10443238
A gasket that doesn't seal lets warm air in and frost build up.
Assembly
No ice, or ice that won't drop, points to the ice maker.
Evaporator fan motor
A stopped fan means warm sections and frost on the coils.
Refrigeration appliance condenser fan motor
Replaces W10609117
A stopped fan means warm sections and frost on the coils.
Coupling
Replaces 63052A001
Drive parts wear out: a machine that fills but won't spin or agitate often points here.
1Water filterEDR4RXD1
2Thermistor12002355
3Door gasketW10830055
4AssemblyWPW10300024Part numbers come from the Sears PartsDirect parts list for the KitchenAid KRFC400EBL01 (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.