Hey Debra, thanks for reaching out!
If your motorhome is equipped with the Valterra EZ Hose Carrier then yes, the Replacement Cap and Strap for Valterra EZ Hose Carrier # VA82VR will work for your application.
you can look at part # VAL53VJ as an example of what this system looks like (your tube might be longer). If you have something different please feel free to send in some photos and I'll be happy to help assist you! view full answer...