1. OEM NUMBER: The replace part number of the RV ventilation opening lift mechanism are 10A20281K, 10A20281K 1AF. Please make sure the OEM number matches the part you are replacing. 2. WIDE COMPATIBILITY: Designed specifically replacement for MAXXFAN Deluxe Keypad series models, including 5100K 4501K, 4541K, 4700K and 4700N, ensuring versatility and meeting various ventilation needs. 3. AUTOMATIC OPERATIONS: RV roof vent operator mechanism ensures convenient operations, eliminating the need for manual adjustments. Enjoy automatic opening and closing for enhanced ventilation control. 4. HIGH DURABILITY: Made of high strength aluminum, this RV roof vent lid lift gear operator boasts excellent oxidation resistant and durability. It ensures long term stable operations in different climate conditions, reducing maintenance costs. 5. ENHANCED COMFORT: The automatic ventilation function effectively improves air circulation inside the vehicle, providing a more comfortable living environment, especially crucial in hot summers or humid weather. Spec: Item Type: RV Roof Vent Lid Lift Gear Material: Aluminum OEM: 10A20281K 1AF, 10A20281K Fitment: Replacement for Maxxair Replacement for MAXXFAN Deluxe Keypad Models 5100K 8951K, 4500K, 4501K, 4541K, 4700K, 4700N, 4700CN, 4700G, 4700D, 4751KS, 4761KS, 4800K, 4801K, 4900K, 4900N, 4900N, 4900N, 4900G, 4900D, 4951KS, 4951KSC, 74751KS, 74951KS, 7000K, 7001K, 7500K, 7501K, 8000K, 8001K, 8500K, 8501K, 8700K, 8700N, 8700G, 8700D, 8751K, 8900K, 8900N, 8900G, 8900D, 8951K PackageList: 1 x RV Roof Vent Lid Lift Gear 5 x Accessories Notice: Please double check the part number of your item, matching information is for reference only.