Just like the items inside your house, RV components have a certain life expectancy. Following is a list of all the items in and on your RV -- and their expected lifespan. Items are listed in the order they are most likely to wear out, with time ranges showing the approximate number of years each item typically lasts. The list includes all major RV components -- from the drivetrain and electronics to slideouts, roof vents, toilets, refrigerators, and more! A checklist of RV repair issues that you should be prepared for + DIY tips to make things last longer.