The W11109499 is the genuine OEM Whirlpool refrigerator filter drier tube for compatible Whirlpool refrigerators. The filter drier is a sealed-system component that removes moisture, acid, and contaminants from the refrigerant circuit. It is installed in the liquid line between the condenser and the metering device (capillary tube or expansion valve). This part must be replaced any time the sealed refrigerant system is opened for service — including compressor replacement, refrigerant leak repair, or evaporator replacement — to prevent moisture from contaminating the new refrigerant charge and damaging the compressor. This part directly replaces W10805035, W11024453, W11353156, and W11592063.

✓ Model-Specific Repair Pages

The filter drier contains a desiccant material (typically molecular sieve or silica gel) that absorbs moisture from the refrigerant. Moisture in a refrigerant circuit causes acid formation, which corrodes copper tubing and compressor components and leads to premature system failure. The drier also contains a fine mesh filter that traps particulate contamination. Because the desiccant becomes saturated during any open-system service, the drier must always be replaced as part of any sealed system repair — reusing an old drier after opening the system is not acceptable practice. The new drier should be installed last, immediately before the system is evacuated and recharged.

✓ Common Symptoms Fixed

Refrigerator not cooling after compressor replacement — Refrigerant system contamination after a leak repair — Sealed system service requiring drier replacement — Compressor failure caused by moisture or acid contamination — Capillary tube restriction from particulate contamination

✓ Key Features & Specifications

OEM Whirlpool part number W11109499 — Replaces W10805035, W11024453, W11353156, W11592063 — Type: Refrigerant filter drier tube — Contains desiccant and particulate filter — Installed in liquid line between condenser and metering device — Must be replaced any time the sealed system is opened

✓ Buying Options

New OEM (W11109499): Genuine Whirlpool original equipment manufacturer part. Exact fit and full manufacturer specifications. Required for all sealed system repairs. XPart Supply aftermarket replacement parts are not affiliated with, sponsored by, or endorsed by Whirlpool or any OEM manufacturer.

✓ Replacement Part Numbers

W11109499 (OEM Whirlpool) — W10805035 (superseded) — W11024453 (superseded) — W11353156 (superseded) — W11592063 (superseded)

✓ Installation Tips

This is a sealed refrigerant system repair — EPA Section 608 certification is required to purchase and handle refrigerants in the US. Ensure the system is fully recovered before opening any refrigerant lines. Install the new drier last in the assembly sequence, immediately before evacuation. Cap the drier ports until the moment of installation to prevent moisture absorption from ambient air. After installation, pull a deep vacuum (500 microns or lower) and hold for at least 30 minutes before recharging. Recharge with the refrigerant type and quantity specified on the refrigerator data plate.