Water filter
Replaces 4396841
Makers suggest a new water filter about every six months.
Defrost bi-metal thermostat
Replaces 2319914
Senses temperature so the fridge cycles on and off.
Assembly
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.
Water filter cap
Makers suggest a new water filter about every six months.
Light switch
Replaces 1118894
Door, lid and control switches stop a cycle when they fail.
1Water filterEDR3RXD1
2ThermostatWPW10225581
3Assembly2198597
4Fan bladeWP2169142Part numbers come from the Sears PartsDirect parts list for the KitchenAid KSCS25FSBT03 (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.