1、Part Number: Water valve replace part number is 42049 for reference. Please double check the part number of your item to ensure perfect fit. 2、Strong Compatibility: Water Valve replacement kit is replacement for Aqua Magic Style II permanent toilet, which is made according to the prototype model. 3、Leak Solution: Made of durable rubber with sealing leak proof threads, the perfect solution to persistent toilet leaks and odors, get your toilet working properly again! 4、Practical Parts: Comes complete with water valve core, drive arm seals, inlet seals, inlet springs, spring retainers and closet flange seals. Includes all the parts needed to make the toilet of your RV work properly. 5、Long Lasting: Upgraded freeze resistant polymer blend construction enhances the function and longevity of toilet components without failing, cracking, eliminating the need to disassemble the toilet after each winter.