Model No: NO639593 UPC: 610848167478 Brand: Norcold Country of Origin: Unite States Norcold 639593 Rear Power Supply Board for Polar N7/N8/N10 Models Compatible with Norcold Polar N7, N8 and N10 refrigerator models Tools Needed for Installation: 6 inch needles nose pliers, 1/4 inch nut driver, #2 Phillips Screwdriver, anti static wrist strap, masking tape and the refrigerator service manual Installation procedure should only be performed by authorized service personnel Refer to manufacturer recommendations to ensure proper fit and usage