Puresource plus refrigerator water filter
Also sold as WF1CB
Makers suggest a new water filter about every six months.
Frigidaire FRS6KR5JSB0: 5 replacement parts, including the puresource plus refrigerator water filter (WFCB) and the defrost bi-metal thermostat (5303918214). Parts list from Sears PartsDirect, checked November 15, 2026.
Also sold as WF1CB
Makers suggest a new water filter about every six months.
Senses temperature so the fridge cycles on and off.
Replaces 241734301
Slow filling, no water or no ice can trace back to this valve.
Replaces 241786005
A gasket that doesn't seal lets warm air in and frost build up.
Replaces 5304456669
No ice, or ice that won't drop, points to the ice maker.
1Water filterWFCB
2Thermostat5303918214
3Valve assembly242252702
4Door gasket241786013Part numbers come from the Sears PartsDirect parts list for the Frigidaire FRS6KR5JSB0 (view the list), checked November 15, 2026. Amazon buttons open a search for the part number; we may earn a commission.
Inside the fresh food section, on a side wall or the ceiling near the light. Some models: behind the kick plate at the bottom.