Water filter
Replaces 4396841
Makers suggest a new water filter about every six months.
Defrost bi-metal
Replaces 2315504
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.
Auger motor coupler
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Light switch
Replaces 1118894
Door, lid and control switches stop a cycle when they fail.
1Water filterEDR3RXD1
2Defrost bi-metalWPW10225581
3Assembly2198597
4Fan bladeWP2169142Part numbers come from the Sears PartsDirect parts list for the KitchenAid KSCS25INBL00 (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.