Features 1.Applicable Model: RV refrigerator power circuit board is replacement for Norcold N61X N81X N610 N611 N810 N811. Please confirm whether it is consistent with the product you need. 2.OE Number: The part numbers for reference are 621991, 621991001. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3.Sturdy Material: RV refrigerator power circuit module board is made of sturdy and reliable material, high strength and wear resistant, having long service time. 4.Improved Performance: Effectively sustains and improves your refrigerator's performance, making it a crucial component for your RV's refrigerator system. 5.Easy to Install: The RV refrigerator power supply circuit board has a simple installation, convenient and time saving, don't need too much tools or complicated steps. Specification Item Type: RV Refrigerator Power Circuit Board Material: ABS OE Number: 621991, 621991001 Fitment: Replacement for Norcold all N61X and N81X series RV Refrigerators including N610 N611 N810 N811 models with serial numbers below 9056491 Package List 1 x RV Refrigerator Power Circuit Board Note Please double check the part number of your item, matching information is for reference only.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.