The Whirlpool W11340145 Refrigerator Fan Scroll directs airflow through the cooling system to support consistent temperature distribution in compatible refrigerators. This replacement component surrounds and channels air from the evaporator fan, helping circulate cooled air throughout the fresh food and freezer compartments. It operates by guiding airflow along the intended path, allowing the refrigeration system to maintain proper cooling conditions and reduce uneven temperature zones. Installed around the evaporator fan assembly inside the refrigerator compartment, it fits within the original housing for proper alignment. By supporting balanced airflow and efficient cooling circulation, this part assists in maintaining stable storage conditions and contributes to reliable refrigerator operation.