Filter
Replaces W10569758
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.
Thermistor
Replaces W10323459
Senses temperature so the fridge cycles on and off.
Ice maker
Replaces W10798411
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.
Motor assembly
Replaces W10862067
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Door switch
Replaces W10656773
Door, lid and control switches stop a cycle when they fail.
1FilterEDR1RXD1
2Air filterW10311524
3ThermistorW10316760
4Ice makerW10873791Part numbers come from the Sears PartsDirect parts list for the KitchenAid KRSC503EBS00 (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.