Hello! We can absolutely help you with these parts. We actually sell everything you show, but if all you needed was the lever then I recommend the 82-106. I am confident this will work perfectly well with your door and handle set.
One thing to note is that the lever in question usually breaks when the mortise isn't working properly. Before you install the new lever, I highly recommend that you remove the mortise and play around with it to check on its condition. The last thing you want is for the new part you just bought to break after only a month or so of use. If the mortise does need replacing then I recommend the 82-218. This should work perfectly well.
Let me know if you wanted anything else and I'd be happy to assist!
