Is your microwave not functioning as it should? It might be time to replace the main assembly PCB. The DE92-03624F is a genuine Samsung replacement part for your 1.9 cu. ft. over-the-range microwave, available in black stainless steel, Tuscan stainless steel, and traditional stainless steel finishes. This main assembly PCB is the same part originally installed in your device. Easy to install with basic repair skills, this replacement will have your microwave back to optimal performance. Before purchasing, check your device's model number for compatibility.