Whirlpool Refrigerator Water Filter - 4378411RB

Whirlpool Refrigerator Water Filter - 4378411RB

Restore cleaner-tasting water and ice with this genuine OEM Whirlpool Refrigerator Water Filter. This part filters the connected water supply before it reaches the dispenser or ice-making circuit.

4378411RB is a genuine OEM Whirlpool Refrigerator Water Filter. Because visually similar service parts can differ by model revision, connector, mounting, or specification, confirm the exact model before installation.

Compatibility: Designed for select Whirlpool refrigerator models that specify 4378411RB in the service parts list. Model-number verification is required.

This part is documented as replacing or superseding previous part numbers including 4378411P, 8004, 4378411RP. Confirm the substitution for your exact model before ordering.

Fitment / What To Verify: Match filter type (for example grease, charcoal, water, or lint), dimensions, shape, tab/latch arrangement, airflow or flow direction where specified, and pack quantity. Do not substitute by appearance alone.

Please confirm fitment with your appliance or equipment model number before ordering.

Is it time to replace?

• Common Symptoms: Reduced water flow, off taste or odor, cloudy ice, or the filter has reached its service interval.
• Visible/Sensory Cues: Restricted flow, overdue service interval, leakage at fittings, or visible contamination in the old filter.

Pro Tip: Match the 1/4-inch water-line connection and flow direction, flush the new filter as directed, and check push-in fittings for leaks after installation.

Technical Specifications