Experiencing issues with your Samsung microwave's airflow? The duct upper assembly (DE94-02374A) might be the culprit. This genuine Samsung part is designed for various over-the-range microwave models, including those with 1.8, 1.9, and 2.0 cubic feet capacities, in stainless steel, black stainless steel, and Tuscan stainless steel finishes. Before purchasing, check your microwave's model number to ensure compatibility.