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Water filter bypass cap
Samsung refrigerators use water filters and bypass plugs to control water flow to ice makers and dispensers. A clogged or failing filter reduces water pressure and ice production; a bypass plug seals the water line when you remove the filter for maintenance. Both are wear items that need periodic replacement to keep your ice maker and water dispenser running smoothly.
Water filters should be replaced every 6 months under normal use — more often if you have sediment-heavy water. Bypass plugs rarely fail but are essential safety parts. Always use OEM Samsung parts for your specific model to help support proper fit and water pressure regulation.
Samsung recommends replacing the water filter every 6 months (or after 300 gallons of filtered water). If you have hard water, sediment, or chlorine taste issues, you may need to replace it more frequently. A pressure drop at the ice maker or dispenser is a sign the filter is clogged and ready for replacement.
The water filter cartridge removes sediment and chlorine from incoming water before it reaches your ice maker and dispenser. The bypass plug is a small part that seals the water line opening when you remove the filter for replacement or maintenance. Without the bypass plug installed, water leaks from the housing.
After installing a new filter, the system needs time to pressurize and purge air from the line — run water through the dispenser for 30 seconds. If ice production is still low, check that the bypass plug is removed from the filter housing and the filter is fully seated. A backwards or incompletely installed filter reduces water pressure to the ice maker. Also verify the water inlet valve is opening; if water won't flow even with a new filter, the inlet valve may have failed.
Third-party filters are available and cheaper, but OEM Samsung filters maintain NSF certification, correct micron rating, and proper flow pressure for your ice maker and dispenser. Off-brand filters sometimes have looser or tighter micron ratings that either let sediment through or restrict water flow too much. For best results and model-specific fit and performance, use an OEM Samsung filter matched to your model number.


Ensure your Samsung refrigerator operates efficiently with a genuine water filter bypass plug from Repair Clinic. Ideal for situations where a water filter is not needed, our OEM bypass plugs ensure smooth water flow within your appliance. Utilize our part number lookup for the right model match, and take advantage of same-day shipping and our Price Match Guarantee for a reliable shopping experience. Need guidance on installation or troubleshooting? Visit our Refrigerator Repair Help page or find additional options like Samsung Refrigerator Parts for further assistance.
On Samsung refrigerators, look for the model number label on the side wall inside the fresh food compartment, behind the crisper drawer, or along the compartment ceiling. The label may also list the serial number, so copy the model number carefully, including letters and numbers. Enter it in the model number search to pull up the parts matched to your unit. Using the complete refrigerator model filters Repair Clinic's catalog for compatible parts across the whole appliance, not just the water filter or bypass plug. You'll narrow the results quickly and avoid comparing parts that were made for a different Samsung refrigerator.

Fixing your Samsung Refrigerator starts with the right diagnostic information. Repair Clinic's online library includes common-symptom articles, part testing walkthroughs, and repair videos that help you pinpoint what needs replacing. Once identified, the model number lookup confirms the correct OEM part, and the matching installation video guides you through the swap.

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