1. OE Number: The part numbers for reference are 520900, SW6DE, SW10DE, SW12DE, 232767, 233514. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 2. Complete Set: The kit comes with a RV water heater elements, 2 anode rods, and a wrench socket for full and efficient functionality. No need to buy extra tools or materials. 3. Enhanced Performance: The water heater elements boost the performance of your RV water heater, ensuring enhanced performance ensures smoother and efficient operating every time. 4. Premium Material: Each RV water heater EIement is made of high strength metal that is resistant to rusting, erosion and oxidation, sturdy and robust, ensuring exceptional longevity and reliability. 5. Easy to install: With the included wrench socket, the installation process of this water heater EIement wrench socket set is simple and quick, no complex tool or special steps required, saving your time and effort. Spec: Item Type: RV Water Heater EIement KitOE Number: 520900, SW6DE, SW10DE, SW12DE, 232767, 233514 Fitment: Fit for RV Water Heater How to Use: Installation method: Replacement installation Package List: 1 x RV Water Heater EIement Kit (4Pcs) Notice: 1. Please double check the part number and fitment of your item, matching information is for reference only. 2. Installation by a professional mechanic is strongly recommended.