Water filter
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.
Roller assembly
Thumping or squealing during a cycle points to worn rollers, pulleys or bearings.
Valve assy-w
Replaces W10908836
Slow filling, no water or no ice can trace back to this valve.
Door gasket
A gasket that doesn't seal lets warm air in and frost build up.
Assembly, icebox fan
Replaces W10685479
A stopped fan means warm sections and frost on the coils.
Dispenser motor
Replaces W11185741
A motor that hums but won't turn, or stops once it's warm, needs replacing.
Limit switch
Replaces W10403752
Door, lid and control switches stop a cycle when they fail.
1Water filterEDR2RXD1
2Air filterW10311524
3Roller assemblyW10742424
4Valve assy-wW11535162Part numbers come from the Sears PartsDirect parts list for the KitchenAid KRFC604FSS01 (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.